15-letter words with O as the 2nd letter
15-letter words with O as the second letter number 803, led by C-starting forms such as CONGRATULATIONS and NOTWITHSTANDING.
O
803 wordsTop pick CONGRATULATIONSHighest score COENZYMATICALLY 36
4 of 803 are everyday words (0%). Mostly rare words: great for Scrabble, tough for daily puzzles.
E is the most common 2nd letter in 15-letter words (1,013 words); Z is the rarest (1). The bar under each letter shows the size of its list.
Best words to play first
- CONGRATULATIONS18
- NOTWITHSTANDING23
- COMPETITIVENESS24
- CONFIDENTIALITY24
- HOSPITALIZATION29
- CONFRONTATIONAL20
- COMPREHENSIVELY30
- COUNTERMEASURES19
- CONTEMPORANEOUS21
- TOTALITARIANISM17
- CONTROVERSIALLY23
- CORRESPONDINGLY24
- CONSERVATIONIST20
- COLLABORATIVELY25
- CORTICOSTEROIDS20
- NONGOVERNMENTAL21
- COMPUTATIONALLY24
- CORRESPONDENCES22
- MORPHOLOGICALLY28
- POLYUNSATURATED21
- CONTRAINDICATED21
- CONSCIENTIOUSLY22
- POLYCRYSTALLINE25
- COMMODIFICATION27
- COMPLEMENTARITY26
- CONCEPTUALIZING31
- POLYSACCHARIDES28
- HOSPITALISATION20
- CONSERVATORSHIP25
- COSMOPOLITANISM23
- CONDESCENDINGLY25
- COUNTERBALANCED22
- CONGRESSIONALLY21
- MONOUNSATURATED18
- SOCIOLINGUISTIC20
- COMPASSIONATELY24
- COMMERCIALIZING33
- COUNTERCULTURAL19
- NONCOMMISSIONED22
- COUNTEREXAMPLES28
- HORTICULTURISTS20
- COMPRESSIBILITY26
- TOPOGRAPHICALLY28
- COMPUTERIZATION30
- POLYCHLORINATED26
- CONTROLLABILITY22
- COUNTERARGUMENT20
- CONSCIOUSNESSES19
All valid words 803
- BOUGAINVILLAEAS21
- BOULEVERSEMENTS22
- BOUNDLESSNESSES18
- BOUNTEOUSNESSES17
- BOUNTIFULNESSES20
- BOURGEOISIFYING25
- BOUSTROPHEDONIC25
- BOWDLERISATIONS21
- BOWDLERIZATIONS30
- COADMINISTERING21
- COAGULABILITIES20
- COCKNEYFICATION31
- COCKNIFICATIONS28
- COCONSCIOUSNESS21
- CODETERMINATION20
- CODIFIABILITIES23
- COEDUCATIONALLY23
- COENZYMATICALLY36
- COESSENTIALNESS17
- COINSTANTANEITY20
- COINSTANTANEOUS17
- COINVESTIGATORS21
- COLDHEARTEDNESS22
- COLLABORATIVELY25
- COLLATERALISING18
- COLLATERALITIES17
- COLLATERALIZING27
- COLLECTEDNESSES20
- COLLENCHYMATOUS27
- COLLIQUESCENCES30
- COLLOQUIALITIES26
- COLONIALIZATION26
- COLONISATIONIST17
- COLONIZATIONIST26
- COLORFASTNESSES20
- COLORLESSNESSES17
- COLOURABILITIES19
- COLOURFULNESSES20
- COLPOSCOPICALLY28
- COMBATIVENESSES24
- COMBINABILITIES23
- COMBINATORIALLY24
- COMBUSTIBLENESS23
- COMFORTABLENESS24
- COMFORTLESSNESS22
- COMMANDANTSHIPS27
- COMMEMORATIONAL23
- COMMEMORATIVELY29
- COMMENDABLENESS24
- COMMENSURATIONS21
- COMMERCIALISING24
- COMMERCIALISTIC25
- COMMERCIALITIES23
- COMMERCIALIZING33
- COMMISERATINGLY25
- COMMISERATIVELY27
- COMMISSARYSHIPS29
- COMMISSIONAIRES21
- COMMODIFICATION27
- COMMODITIZATION31
- COMMONPLACENESS25
- COMMUNALISATION21
- COMMUNALIZATION30
- COMMUNICABILITY28
- COMMUNICATIONAL23
- COMMUNICATIVELY29
- COMMUNISTICALLY26
- COMMUTABILITIES23
- COMMUTATIVITIES24
- COMPACTEDNESSES24
- COMPARABILITIES23
- COMPARATIVENESS24
- COMPARTMENTALLY26
- COMPASSIONATELY24
- COMPASSIONATING22
- COMPATIBILITIES23
- COMPENDIOUSNESS22
- COMPETENTNESSES21
- COMPETITIVENESS24
- COMPLEMENTARIES23
- COMPLEMENTARILY26
- COMPLEMENTARITY26
- COMPLEMENTATION23
- COMPLEMENTISERS23
- COMPLEMENTIZERS32
- COMPLEXEDNESSES29
- COMPLIANTNESSES21
- COMPLICATEDNESS24
- COMPLIMENTARILY26
- COMPOSITENESSES21
- COMPOSITIONALLY24
- COMPOSITIONISTS21
- COMPOTATIONSHIP26
- COMPREHENSIVELY30
- COMPREHENSIVISE27
- COMPREHENSIVIZE36
- COMPRESSIBILITY26
- COMPTROLLERSHIP26
- COMPUTABILITIES23
- COMPUTATIONALLY24
- COMPUTERISATION21
- COMPUTERIZATION30
- COMPUTERPHOBIAS28
- COMRADELINESSES20
- CONCEITEDNESSES20
- CONCEIVABLENESS24
- CONCELEBRATIONS21
- CONCENTRATIVELY25
- CONCENTRICITIES21
- CONCEPTUALISERS21
- CONCEPTUALISING22
- CONCEPTUALISTIC23
- CONCEPTUALITIES21
- CONCEPTUALIZERS30
- CONCEPTUALIZING31
- CONCERNEDNESSES20
- CONCERTEDNESSES20
- CONCERTMEISTERS21
- CONCESSIONAIRES19
- CONCESSIONARIES19
- CONCESSIONNAIRE19
- CONCRETISATIONS19
- CONCRETIZATIONS28
- CONDESCENDENCES23
- CONDESCENDINGLY25
- CONDUCIVENESSES23
- CONDUCTIOMETRIC24
- CONDUPLICATIONS22
- CONFECTIONARIES22
- CONFECTIONERIES22
- CONFESSIONALISM22
- CONFESSIONALIST20
- CONFESSIONARIES20
- CONFIDENTIALITY24
- CONFIDINGNESSES22
- CONFIGURABILITY26
- CONFIGURATIONAL21
- CONFIRMEDNESSES23
- CONFORMABLENESS24
- CONFRATERNITIES20
- CONFRONTATIONAL20
- CONFUSABILITIES22
- CONGEALABLENESS20
- CONGENIALNESSES18
- CONGLOBULATIONS20
- CONGLOMERATEURS20
- CONGLOMERATIONS20
- CONGLUTINATIONS18
- CONGRATULATIONS18
- CONGRESSIONALLY21
- CONGRESSPERSONS20
- CONGRUOUSNESSES18
- CONJUGATENESSES25
- CONJUGATIONALLY28
- CONJUNCTIONALLY29
- CONJUNCTIVENESS29
- CONNATURALISING18
- CONNATURALITIES17
- CONNATURALIZING27
- CONNECTEDNESSES20
- CONNOISSEURSHIP22
- CONQUERABLENESS28
- CONSANGUINITIES18
- CONSCIENTIOUSLY22
- CONSCIOUSNESSES19
- CONSCRIPTIONIST21
- CONSECRATEDNESS20
- CONSECUTIVENESS22
- CONSENESCENCIES21
- CONSENTANEITIES17
- CONSENTANEOUSLY20
- CONSEQUENTIALLY29
- CONSERVATIONIST20
- CONSERVATORIUMS22
- CONSERVATORSHIP25
- CONSIDERATENESS18
- CONSIDERATIVELY24
- CONSIMILARITIES19
- CONSPICUOUSNESS21
- CONSPIRATRESSES19
- CONSTELLATIONAL17
- CONSTITUTIONALS17
- CONSTITUTIONIST17
- CONSTRINGENCIES20
- CONSTRUCTIONISM21
- CONSTRUCTIONIST19
- CONSTRUCTIVISMS24
- CONSTRUCTIVISTS22
- CONSUBSTANTIATE19
- CONSULTANTSHIPS22
- CONSUMPTIVENESS24
- CONSUMPTIVITIES24
- CONTAINERBOARDS20
- CONTEMPERATIONS21
- CONTEMPERATURES21
- CONTEMPLATIVELY27
- CONTEMPORANEANS21
- CONTEMPORANEITY24
- CONTEMPORANEOUS21
- CONTEMPTIBILITY26
- CONTENTEDNESSES18
- CONTENTIOUSNESS17
- CONTESSERATIONS17
- CONTESTABLENESS19
- CONTEXTUALISING25
- CONTEXTUALIZING34
- CONTINENTALISMS19
- CONTINENTALISTS17
- CONTINUALNESSES17
- CONTINUEDNESSES18
- CONTORTEDNESSES18
- CONTORTIONISTIC19
- CONTRACLOCKWISE28
- CONTRACTABILITY24
- CONTRACTIBILITY24
- CONTRACTILITIES19
- CONTRACTIVENESS22
- CONTRADICTIVELY26
- CONTRADICTORIES20
- CONTRADICTORILY23
- CONTRAINDICANTS20
- CONTRAINDICATED21
- CONTRAINDICATES20
- CONTRAPOSITIONS19
- CONTRAPOSITIVES22
- CONTRAPROPELLER21
- CONTRAPUNTALIST19
- CONTRARIOUSNESS17
- CONTRAVALLATION20
- CONTROLLABILITY22
- CONTROLLERSHIPS22
- CONTROVERSIALLY23
- CONVALESCENCIES24
- CONVENTIONALISE20
- CONVENTIONALISM22
- CONVENTIONALIST20
- CONVENTIONALITY23
- CONVENTIONALIZE29
- CONVERSABLENESS22
- CONVERSATIONISM22
- CONVERSATIONIST20
- CONVERTIBLENESS22
- CONVEYORISATION23
- CONVEYORIZATION32
- CONVOCATIONISTS22
- CONVOLVULACEOUS25
- CONVULSIONARIES20
- COOPERATIONISTS19
- COOPERATIVENESS22
- COOPERATIVITIES22
- CORINTHIANISING21
- CORINTHIANIZING30
- CORPORATENESSES19
- CORPORATIZATION28
- CORPOREALNESSES19
- CORPORIFICATION24
- CORPUSCULARIANS21
- CORRELATIVENESS20
- CORRELATIVITIES20
- CORRELIGIONISTS18
- CORRESPONDENCES22
- CORRESPONDENTLY23
- CORRESPONDINGLY24
- CORRIGIBILITIES20
- CORROBORATIVELY25
- CORRODIBILITIES20
- CORROSIBILITIES19
- CORROSIVENESSES20
- CORRUPTIBLENESS21
- CORTICOSTEROIDS20
- CORTICOSTERONES19
- CORTICOTROPHINS24
- CORYNEBACTERIAL24
- CORYNEBACTERIUM26
- COSIGNIFICATIVE26
- COSMETICOLOGIES22
- COSMOPOLITANISE21
- COSMOPOLITANISM23
- COSMOPOLITANIZE30
- COTRANSDUCTIONS20
- COULOMETRICALLY24
- COUNCILLORSHIPS24
- COUNSELLORSHIPS22
- COUNTERACTIVELY25
- COUNTERADAPTIVE23
- COUNTERARGUMENT20
- COUNTERASSAULTS17
- COUNTERATTACKED24
- COUNTERATTACKER23
- COUNTERBALANCED22
- COUNTERBALANCES21
- COUNTERBLOCKADE26
- COUNTERCAMPAIGN24
- COUNTERCHANGING24
- COUNTERCHARGING24
- COUNTERCHARMING25
- COUNTERCHECKING29
- COUNTERCLAIMANT21
- COUNTERCLAIMING22
- COUNTERCULTURAL19
- COUNTERCULTURES19
- COUNTERCURRENTS19
- COUNTERCYCLICAL26
- COUNTEREVIDENCE23
- COUNTEREXAMPLES28
- COUNTERFACTUALS22
- COUNTERFEISANCE22
- COUNTERFEITINGS21
- COUNTERFESAUNCE22
- COUNTERGUERILLA18
- COUNTERINSTANCE19
- COUNTERINVASION20
- COUNTERIRRITANT17
- COUNTERMANDABLE22
- COUNTERMARCHING25
- COUNTERMEASURES19
- COUNTERMELODIES20
- COUNTERMOVEMENT24
- COUNTERORDERING19
- COUNTERPETITION19
- COUNTERPICKETED26
- COUNTERPLEADING21
- COUNTERPLOTTING20
- COUNTERPOINTING20
- COUNTERPRESSURE19
- COUNTERPROJECTS28
- COUNTERPROPOSAL21
- COUNTERPROTESTS19
- COUNTERPUNCHERS24
- COUNTERPUNCHING25
- COUNTERQUESTION26
- COUNTERRALLYING21
- COUNTERREACTION19
- COUNTERREFORMER22
- COUNTERRESPONSE19
- COUNTERSHADINGS22
- COUNTERSTAINING18
- COUNTERSTEPPING22
- COUNTERSTRATEGY21
- COUNTERSTRICKEN23
- COUNTERSTRIKING22
- COUNTERSUBJECTS28
- COUNTERTENDENCY23
- COUNTERVAILABLE22
- COUNTERVIOLENCE22
- COUNTERWEIGHING25
- COUNTERWEIGHTED25
- COURTEOUSNESSES17
- COURTMARTIALLED20
- DOCTRINARIANISM20
- DOCUMENTARISING21
- DOCUMENTARIZING30
- DOCUMENTATIONAL20
- DODECASYLLABLES24
- DOLICHOCEPHALIC30
- DOLICHOSAURUSES21
- DOLOMITISATIONS18
- DOLOMITIZATIONS27
- DOMINEERINGNESS19
- DORSIBRANCHIATE23
- DORSIVENTRALITY22
- DORSOVENTRALITY22
- DOUBTLESSNESSES18
- DOWNHEARTEDNESS23
- DOWNREGULATIONS20
- DOWNRIGHTNESSES23
- FOOLHARDINESSES22
- FORENSICALITIES20
- FOREORDAINMENTS21
- FOREORDINATIONS19
- FORESHORTENINGS22
- FORESIGHTEDNESS23
- FORGETFULNESSES22
- FORGIVINGNESSES23
- FORGOTTENNESSES19
- FORISFAMILIATED24
- FORISFAMILIATES23
- FORMALISTICALLY25
- FORMATIVENESSES23
- FORMIDABILITIES23
- FORMULARISATION20
- FORMULARIZATION29
- FORTHCOMINGNESS26
- FORTUNATENESSES18
- FORTUNETELLINGS19
- GONIOMETRICALLY23
- GOODFELLOWSHIPS28
- GOVERNABILITIES21
- GOVERNMENTALISE21
- GOVERNMENTALISM23
- GOVERNMENTALIST21
- GOVERNMENTALIZE30
- HOBBLEDEHOYDOMS32
- HOBBLEDEHOYHOOD33
- HOBBLEDEHOYISMS31
- HOIDENISHNESSES22
- HOLOBLASTICALLY25
- HOLOCRYSTALLINE23
- HOLOGRAPHICALLY29
- HOLOMETABOLISMS24
- HOMEOPATHICALLY30
- HOMOCENTRICALLY27
- HOMOCHLAMYDEOUS31
- HOMOCHROMATISMS29
- HOMOEOMORPHISMS29
- HOMOEOTELEUTONS20
- HOMOGENEOUSNESS21
- HOMOGENISATIONS21
- HOMOGENIZATIONS30
- HOMOPLASTICALLY27
- HOMOSEXUALITIES27
- HOMOSOCIALITIES22
- HOMOTRANSPLANTS22
- HONORABLENESSES20
- HORIZONTALITIES27
- HORSEFEATHERSES24
- HORTICULTURALLY23
- HORTICULTURISTS20
- HOSPITALISATION20
- HOSPITALIZATION29
- HOTHEADEDNESSES23
- HOUSEHOLDERSHIP27
- HOUSELESSNESSES18
- HOUSEMISTRESSES20
- HOUSEWIFELINESS24
- HOYDENISHNESSES25
- IONOSPHERICALLY25
- JOURNALISATIONS22
- JOURNALIZATIONS31
- LOATHSOMENESSES20
- LOGARITHMICALLY26
- LOGOGRAPHICALLY27
- LONGSIGHTEDNESS21
- LOPHOBRANCHIATE27
- MODERNISTICALLY23
- MODIFIABILITIES23
- MODULARISATIONS18
- MODULARIZATIONS27
- MOMENTARINESSES19
- MOMENTOUSNESSES19
- MONGRELISATIONS18
- MONGRELIZATIONS27
- MONKEYWRENCHERS32
- MONKEYWRENCHING33
- MONOCHLAMYDEOUS28
- MONOCHROMATISMS26
- MONOCRYSTALLINE22
- MONOGRAPHICALLY28
- MONOLINGUALISMS20
- MONOMOLECULARLY24
- MONONUCLEOSISES19
- MONONUCLEOTIDES20
- MONOPHTHONGISED27
- MONOPHTHONGISES26
- MONOPHTHONGIZED36
- MONOPHTHONGIZES35
- MONOPOLISATIONS19
- MONOPOLIZATIONS28
- MONOPROPELLANTS21
- MONOSACCHARIDES25
- MONOSPECIFICITY29
- MONOSYLLABICITY27
- MONOSYMMETRICAL26
- MONOUNSATURATED18
- MONOUNSATURATES17
- MONSTROUSNESSES17
- MONTMORILLONITE19
- MONUMENTALISING20
- MONUMENTALITIES19
- MONUMENTALIZING29
- MORBILLIVIRUSES22
- MORPHINOMANIACS26
- MORPHOLOGICALLY28
- MORPHOPHONEMICS31
- MORTIFEROUSNESS20
- MOUNTAINBOARDER20
- MOUNTAINEERINGS18
- MOUNTAINOUSNESS17
- MOUNTEBANKERIES23
- MOUTHWATERINGLY27
- NOCTAMBULATIONS21
- NOISELESSNESSES15
- NOMINALISATIONS17
- NOMINALIZATIONS26
- NOMOGRAPHICALLY28
- NONACHIEVEMENTS25
- NONADDITIVITIES20
- NONAGRICULTURAL18
- NONANALYTICALLY23
- NONANATOMICALLY22
- NONANTAGONISTIC18
- NONARCHITECTURE22
- NONARISTOCRATIC19
- NONASTRONOMICAL19
- NONAVAILABILITY23
- NONBARBITURATES19
- NONBELLIGERENCE20
- NONBELLIGERENCY23
- NONBELLIGERENTS18
- NONBIOGRAPHICAL25
- NONBIOLOGICALLY23
- NONCARCINOGENIC22
- NONCELEBRATIONS19
- NONCERTIFICATED23
- NONCHARISMATICS24
- NONCOGNITIVISMS23
- NONCOINCIDENCES22
- NONCOMBUSTIBLES23
- NONCOMMISSIONED22
- NONCOMPETITIONS21
- NONCOMPRESSIBLE23
- NONCOMPUTERISED22
- NONCOMPUTERIZED31
- NONCONCURRENCES21
- NONCONFIDENTIAL21
- NONCONFORMANCES24
- NONCONFORMITIES22
- NONCONSENSUALLY20
- NONCONSERVATION20
- NONCONSERVATIVE23
- NONCONSOLIDATED19
- NONCONSTRUCTION19
- NONCONSTRUCTIVE22
- NONCONSUMPTIONS21
- NONCONTEMPORARY24
- NONCONTRIBUTORY22
- NONCONTROLLABLE19
- NONCONVENTIONAL20
- NONCONVERTIBLES22
- NONCOOPERATIONS19
- NONCOOPERATIVES22
- NONCORRELATIONS17
- NONCREATIVITIES20
- NONCREDENTIALED19
- NONCULTIVATIONS20
- NONDEPARTMENTAL20
- NONDESCRIPTNESS20
- NONDEVELOPMENTS23
- NONDISJUNCTIONS25
- NONDOCTRINAIRES18
- NONDOGMATICALLY24
- NONDRAMATICALLY23
- NONDURABILITIES18
- NONELASTICITIES17
- NONELECTROLYTES20
- NONENCAPSULATED20
- NONENFORCEMENTS22
- NONENGINEERINGS17
- NONEQUILIBRIUMS28
- NONEQUIVALENCES29
- NONEXPERIMENTAL26
- NONEXPLOITATION24
- NONEXPLOITATIVE27
- NONFLAMMABILITY27
- NONFLUORESCENTS20
- NONFULFILLMENTS23
- NONFUNCTIONALLY23
- NONGOVERNMENTAL21
- NONHETEROSEXUAL25
- NONHIERARCHICAL25
- NONHISTORICALLY23
- NONHOMOSEXUALLY30
- NONHOSPITALISED21
- NONHOSPITALIZED30
- NONHYSTERICALLY26
- NONIMPLICATIONS21
- NONIMPORTATIONS19
- NONINDEPENDENCE21
- NONINFLAMMABLES24
- NONINFLAMMATORY25
- NONINFLATIONARY21
- NONINFLECTIONAL20
- NONINFORMATIONS20
- NONINFRINGEMENT21
- NONINSECTICIDAL20
- NONINSTALLMENTS17
- NONINSTRUMENTAL17
- NONINTELLECTUAL17
- NONINTERCOURSES17
- NONINTERFERENCE20
- NONINTERSECTING18
- NONINTERVENTION18
- NONINTIMIDATING19
- NONINTOXICATING25
- NONINVOLVEMENTS23
- NONJUDGMENTALLY29
- NONMATHEMATICAL24
- NONMATRICULATED20
- NONMETAPHORICAL24
- NONMETROPOLITAN19
- NONOBJECTIVISMS31
- NONOBJECTIVISTS29
- NONOCCUPATIONAL21
- NONOVERLAPPINGS23
- NONPARTICIPANTS21
- NONPARTISANSHIP22
- NONPARTIZANSHIP31
- NONPERFORMANCES24
- NONPHILOSOPHERS25
- NONPHOTOGRAPHIC28
- NONPRESCRIPTION21
- NONPRODUCTIVITY26
- NONPROFESSIONAL20
- NONPROFESSORIAL20
- NONPROGRESSIVES21
- NONPSYCHIATRIST25
- NONPSYCHOACTIVE30
- NONQUANTIFIABLE29
- NONQUANTITATIVE27
- NONRANDOMNESSES18
- NONRECOGNITIONS18
- NONRECOMBINANTS21
- NONRELATIVISTIC20
- NONREPRODUCIBLE22
- NONREPRODUCTIVE23
- NONRESTRICTIVES20
- NONSAPONIFIABLE22
- NONSEDIMENTABLE20
- NONSEGREGATIONS17
- NONSENSICALNESS17
- NONSEQUENTIALLY27
- NONSIMULTANEOUS17
- NONSPECIFICALLY27
- NONSPECTACULARS21
- NONSTATIONARIES15
- NONTHEISTICALLY23
- NONTOTALITARIAN15
- NONTRANSFERABLE20
- NONUNIFORMITIES20
- NONUNIQUENESSES24
- NONUNIVERSITIES18
- NONUTILITARIANS15
- NOREPINEPHRINES22
- NORETHISTERONES18
- NORMATIVENESSES20
- NORTHCOUNTRYMAN25
- NORTHCOUNTRYMEN25
- NORTHEASTERLIES18
- NORTHEASTERNERS18
- NORTHEASTWARDLY25
- NORTHERLINESSES18
- NORTHWESTERLIES21
- NORTHWESTERNERS21
- NORTHWESTWARDLY28
- NOSOCOMEPHOBIAS26
- NOSOCOMEPHOBICS28
- NOTHINGARIANISM21
- NOTICEABILITIES19
- NOTORIOUSNESSES15
- NOTWITHSTANDING23
- NOVEMDECILLIONS23
- NOVOCENTENARIES20
- OOPHORECTOMISED25
- OOPHORECTOMISES24
- OOPHORECTOMIZED34
- OOPHORECTOMIZES33
- POCOCURANTEISMS23
- POIKILOTHERMIES26
- POIKILOTHERMISM28
- POINTLESSNESSES17
- POISONOUSNESSES17
- POLIOMYELITIDES23
- POLIOMYELITISES22
- POLITICISATIONS19
- POLITICIZATIONS28
- POLYACRYLAMIDES28
- POLYCARBOXYLATE34
- POLYCHLORINATED26
- POLYCHLOROPRENE27
- POLYCHROMATISMS29
- POLYCRYSTALLINE25
- POLYELECTROLYTE25
- POLYGENETICALLY26
- POLYGRAPHICALLY31
- POLYMERISATIONS22
- POLYMERIZATIONS31
- POLYMORPHICALLY32
- POLYNUCLEOTIDES23
- POLYPHLOESBOEAN27
- POLYSACCHARIDES28
- POLYSACCHAROSES27
- POLYSYLLABICISM29
- POLYSYNTHESISMS28
- POLYSYNTHETICAL28
- POLYSYNTHETISMS28
- POLYUNSATURATED21
- POLYUNSATURATES20
- POLYVINYLIDENES27
- PONDERABILITIES20
- PONDEROUSNESSES18
- PONTIFICALITIES22
- POPULARISATIONS19
- POPULARIZATIONS28
- PORPHYROGENITES26
- POSSESSEDNESSES18
- POSTADOLESCENCE22
- POSTADOLESCENTS20
- POSTAPOCALYPSES26
- POSTAPOCALYPTIC28
- POSTCONSONANTAL19
- POSTDEVALUATION21
- POSTDIVESTITURE21
- POSTHEMORRHAGIC28
- POSTINOCULATION19
- POSTIRRADIATION18
- POSTMASTERSHIPS24
- POSTMILLENARIAN19
- POSTMILLENNIALS19
- POSTMODERNITIES20
- POSTOPERATIVELY25
- POSTPOLLINATION19
- POSTPRODUCTIONS22
- POSTSECONDARIES20
- POSTSTIMULATION19
- POSTSTIMULATORY22
- POSTTRANSFUSION20
- POSTULATIONALLY20
- POSTVACCINATION24
- POTENTIOMETRIES19
- POWERLESSNESSES20
- ROENTGENISATION16
- ROENTGENIZATION25
- ROENTGENOGRAPHS22
- ROENTGENOGRAPHY25
- ROENTGENOLOGIES17
- ROENTGENOLOGIST17
- ROENTGENOSCOPES20
- ROENTGENOSCOPIC22
- ROLLERCOASTERED18
- ROMANTICALITIES19
- ROMANTICISATION19
- ROMANTICIZATION28
- RONTGENISATIONS16
- RONTGENIZATIONS25
- RONTGENOLOGICAL19
- RONTGENOLOGISTS17
- RONTGENOSCOPIES20
- RONTGENOTHERAPY24
- ROSTROCARINATES17
- ROUNDABOUTATION18
- ROUNDABOUTILITY21
- ROUNDHEADEDNESS21
- SOCIALISTICALLY22
- SOCIOBIOLOGICAL22
- SOCIOBIOLOGISTS20
- SOCIOCULTURALLY22
- SOCIOHISTORICAL22
- SOCIOLINGUISTIC20
- SOFTHEARTEDNESS22
- SOLDERABILITIES18
- SOLDIERLINESSES16
- SOLEMNIFICATION22
- SOLIDIFICATIONS21
- SOLIPSISTICALLY22
- SOLITUDINARIANS16
- SOLUBILISATIONS17
- SOLUBILIZATIONS26
- SOMATOLOGICALLY23
- SOMNAMBULATIONS21
- SONOGRAPHICALLY26
- SOOTHFASTNESSES21
- SOPHISTICATEDLY26
- SOPHISTICATIONS22
- SORROWFULNESSES21
- SOUNDLESSNESSES16
- SOUTHEASTERLIES18
- SOUTHEASTERNERS18
- SOUTHERLINESSES18
- SOUTHWESTERLIES21
- SOUTHWESTERNERS21
- SOUTHWESTWARDLY28
- TOASTMISTRESSES17
- TOLERABLENESSES17
- TOMBOYISHNESSES25
- TONSILLECTOMIES19
- TOOTHSOMENESSES20
- TOPOCHEMISTRIES24
- TOPOGRAPHICALLY28
- TORRENTIALITIES15
- TOTALITARIANISE15
- TOTALITARIANISM17
- TOTALITARIANIZE24
- TOUCHABLENESSES22
- TOXICOLOGICALLY30
- VOCATIONALISING21
- VOCATIONALIZING30
- VOICELESSNESSES20
- VOLATILISATIONS18
- VOLATILIZATIONS27
- VOLUNTARINESSES18
- VORACIOUSNESSES20
- VOYEURISTICALLY26
- WOEBEGONENESSES21
- WONDERFULNESSES22
- WONDERMONGERING23
- WORRISOMENESSES20
- WORTHLESSNESSES21
- ZOOGEOGRAPHICAL33
- ZOOPHYSIOLOGIES33
- ZOOPHYSIOLOGIST33
- ZOOPHYTOLOGICAL35
- ZOOPHYTOLOGISTS33
- ZOOPSYCHOLOGIES35
1st letter
3rd letter
12th letter
13th letter
14th letter
15th letter
Highest-scoring words
| Word | Scrabble | Words With Friends | Dictionaries |
|---|---|---|---|
| COENZYMATICALLY | 36 | 40 | All three |
| COMPREHENSIVIZE | 36 | 40 | Collins only |
| MONOPHTHONGIZED | 36 | 39 | Collins · NWL |
| MONOPHTHONGIZES | 35 | 38 | Collins · NWL |
| ZOOPHYTOLOGICAL | 35 | 38 | Collins only |
| ZOOPSYCHOLOGIES | 35 | 37 | Collins only |
| CONTEXTUALIZING | 34 | 40 | All three |
| POLYCARBOXYLATE | 34 | 37 | Collins only |
| OOPHORECTOMIZED | 34 | 36 | Collins only |
| COMMERCIALIZING | 33 | 40 | All three |
| MONKEYWRENCHING | 33 | 37 | NWL only |
| ZOOGEOGRAPHICAL | 33 | 37 | All three |
That total sits below the E and N second-letter groups, while C-led forms dominate the first position. The vocabulary ranges from familiar long words such as CONGRATULATIONS and NOTWITHSTANDING to technical terms such as CORTICOSTEROIDS and POLYCRYSTALLINE. Definitions exist for 557 entries, so a matching spelling does not guarantee an easy clue or everyday vocabulary.
The O-second-letter count at a glance
- 803 entries have O in position two and appear in at least one tournament dictionary.
- C leads the first-letter tally with 340 words; N follows with 172.
- S is the most common final letter, appearing on 424 entries; Y is next with 113.
- Only 4 entries meet the common-word frequency cutoff used for this set.
- The E- and N-second-letter lists are larger, with 1,013 and 852 entries.
Which 15-letter words with O score most?
Three entries reach the top score of 36: COENZYMATICALLY, COMPREHENSIVIZE, and MONOPHTHONGIZED. Each packs valuable letters into a full-length play, but the high total depends on the board and available placement; a raw word score does not guarantee a premium-square result.
Next come MONOPHTHONGIZES and ZOOPHYTOLOGICAL at 35, then CONTEXTUALIZING and POLYCARBOXYLATE at 34. These less familiar forms are worth checking against your game’s dictionary before relying on them.
A long word also needs room. Before committing a high-value tile, inspect the board: the word’s score alone does not tell you whether a multiplier is available or whether the play opens a strong reply.
How do dictionary coverage and letter patterns differ?
Collins contains 735 of these entries, compared with 565 in NWL2023 and 466 in ENABLE. Those dictionary totals overlap, so adding them will not reproduce the combined count of 803. A word accepted in one game may be absent from another.
For 15-letter words with O as the second letter, the starting letter is a strong narrowing clue: C and N together lead the first-letter counts by a wide margin. Try those openings first when they fit the rack, then use the ending pattern to check candidates.
Length shifts the comparison, too: the 14-letter O-second-letter group has 1,268 entries, more than this 15-letter set. The useful distinction is not simply O in position two; the extra tile changes which candidates can fit.
Questions people ask
How many 15-letter words have O as the second letter?
There are 803 qualifying 15-letter words with O in position two. The count includes entries found in at least one of ENABLE, Collins, or NWL2023, rather than words found only in a general word list.
Which 15-letter O-second-letter words score the most?
COENZYMATICALLY, COMPREHENSIVIZE, and MONOPHTHONGIZED tie for the highest score at 36 points. Their actual value in play depends on the board, tile placement, and the dictionary used by your game.
Are most 15-letter words with O as the second letter common?
No. Only 4 entries meet the common-word frequency cutoff, despite 803 words matching the letter pattern. Expect many technical or unfamiliar terms; 557 entries have definitions, but that does not make every candidate easy to recognize.
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