15-letter words starting with C

15-letter words starting with C total 601 tournament-dictionary entries, led by congratulations and topped by chromoxylograph at 38 points.

601 wordsTop pick CONGRATULATIONSHighest score CHROMOXYLOGRAPH 38

5 of 601 are everyday words (1%). Mostly rare words: great for Scrabble, tough for daily puzzles.

Letter
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z

P starts the most 15-letter words (695); Y starts the fewest (2). C ranks #2 of 26. The bar under each letter shows the size of its list.

Length
2
3
4
5
6
7
8
9
10
11
12
13
14
15

Best words to play first 601 · most-used first

CONGRATULATIONS₁₈
CHARACTERISTICS₂₄
COMPETITIVENESS₂₄
CONFIDENTIALITY₂₄
CLASSIFICATIONS₂₂
CONFRONTATIONAL₂₀
COMPREHENSIVELY₃₀
CHRONOLOGICALLY₂₆
COUNTERMEASURES₁₉
CINEMATOGRAPHER₂₅
CONTEMPORANEOUS₂₁
CONTROVERSIALLY₂₃
CORRESPONDINGLY₂₄
CONSERVATIONIST₂₀
COLLABORATIVELY₂₅
CORTICOSTEROIDS₂₀
CRYSTALLIZATION₂₉
CRYSTALLOGRAPHY₂₉
COMPUTATIONALLY₂₄
CRIMINALIZATION₂₈
CORRESPONDENCES₂₂
CARDIOPULMONARY₂₅
CONTRAINDICATED₂₁
CEREBROVASCULAR₂₄
CONSCIENTIOUSLY₂₂
CIRCUMFERENTIAL₂₄
CATHETERIZATION₂₉
COMMODIFICATION₂₇
COMPLEMENTARITY₂₆
CONCEPTUALIZING₃₁
CONSERVATORSHIP₂₅
CINEMATOGRAPHIC₂₇
COSMOPOLITANISM₂₃
CONDESCENDINGLY₂₅
COUNTERBALANCED₂₂
CONGRESSIONALLY₂₁
COMPASSIONATELY₂₄
COMMERCIALIZING₃₃
CHROMATOGRAPHIC₃₀
COUNTERCULTURAL₁₉
COUNTEREXAMPLES₂₈
CYTOMEGALOVIRUS₂₆
CRIMINALISATION₁₉
CHLORAMPHENICOL₂₉
COMPRESSIBILITY₂₆
COMPUTERIZATION₃₀
CRYPTOSPORIDIUM₂₇
CONTROLLABILITY₂₂

Showing the top 48 of 601 words. See every valid word

All valid words 601

A to Z. Includes rare and Collins-only words. Linked tiles open the word's meaning, score and rhymes.

CALCULABILITIES₂₁
CALENDARISATION₁₈
CALENDARIZATION₂₇
CALORIFICATIONS₂₂
CANISTERISATION₁₇
CANISTERIZATION₂₆
CANNIBALISATION₁₉
CANNIBALIZATION₂₈
CANTHAXANTHINES₃₀
CAPACIOUSNESSES₂₁
CAPITALISATIONS₁₉
CAPITALIZATIONS₂₈
CAPRIFOLIACEOUS₂₄
CARAMELISATIONS₁₉
CARAMELIZATIONS₂₈
CARCINOGENICITY₂₅
CARCINOSARCOMAS₂₃
CARDIOGRAPHICAL₂₆
CARDIOPULMONARY₂₅
CARNIVOROUSNESS₂₀
CARPETBAGGERIES₂₃
CARPOMETACARPUS₂₅
CASTANOSPERMINE₂₁
CASTRAMETATIONS₁₉
CATACLYSMICALLY₂₉
CATALLACTICALLY₂₄
CATECHISTICALLY₂₇
CATECHUMENSHIPS₂₉
CATEGORICALNESS₂₀
CATEGORISATIONS₁₈
CATEGORIZATIONS₂₇
CATHETERISATION₂₀
CATHETERIZATION₂₉
CATHODOGRAPHERS₂₇
CATHODOGRAPHIES₂₇
CATHOLICISATION₂₂
CATHOLICIZATION₃₁
CAUSATIVENESSES₂₀
CAUSELESSNESSES₁₇
CEASELESSNESSES₁₇
CENOGENETICALLY₂₃
CENSURABILITIES₁₉
CENTENARIANISMS₁₉
CENTRALISATIONS₁₇
CENTRALIZATIONS₂₆
CENTRICALNESSES₁₉
CENTRIFUGALISED₂₂
CENTRIFUGALISES₂₁
CENTRIFUGALIZED₃₁
CENTRIFUGALIZES₃₀
CENTRIFUGATIONS₂₁
CENTRIPETALISMS₂₁
CENTROSYMMETRIC₂₆
CENTUPLICATIONS₂₁
CEPHALOCHORDATE₂₈
CEPHALOTHORACES₂₇
CEPHALOTHORACIC₂₉
CEPHALOTHORAXES₃₂
CERCOPITHECOIDS₂₇
CEREBROVASCULAR₂₄
CEREMONIOUSNESS₁₉
CERTIFICATORIES₂₂
CERVICOGRAPHIES₂₈
CHALCOGRAPHICAL₃₀
CHALCOGRAPHISTS₂₈
CHAMBERLAINSHIP₂₉
CHANCELLORSHIPS₂₇
CHANGEABILITIES₂₃
CHANGEFULNESSES₂₄
CHANNELISATIONS₂₀
CHANNELIZATIONS₂₉
CHANNELOPATHIES₂₅
CHAPTALISATIONS₂₂
CHAPTALIZATIONS₃₁
CHARACTERISABLE₂₄
CHARACTERISTICS₂₄
CHARACTERIZABLE₃₃
CHARGEABILITIES₂₃
CHARISMATICALLY₂₇
CHARMLESSNESSES₂₂
CHARTOGRAPHICAL₂₈
CHEERLESSNESSES₂₀
CHEMAUTOTROPHIC₂₉
CHEMOATTRACTANT₂₄
CHEMOAUTOTROPHS₂₇
CHEMOAUTOTROPHY₃₀
CHEMOLITHOTROPH₃₀
CHEMOPREVENTION₂₇
CHEMOPREVENTIVE₃₀
CHEMOPSYCHIATRY₃₅
CHEMORECEPTIONS₂₆
CHEMOTACTICALLY₂₉
CHEMOTAXONOMIES₃₁
CHEMOTAXONOMIST₃₁
CHEMOTHERAPISTS₂₇
CHEMOTROPICALLY₂₉
CHENOPODIACEOUS₂₅
CHILDLESSNESSES₂₁
CHILDLIKENESSES₂₅
CHINCHERINCHEES₃₀
CHLAMYDOMONADES₂₉
CHLORAMPHENICOL₂₉
CHLORITISATIONS₂₀
CHLORITIZATIONS₂₉
CHLOROTHIAZIDES₃₃
CHLORPROMAZINES₃₃
CHLORPROPAMIDES₂₇
CHLORTHALIDONES₂₄
CHOLANGIOGRAPHY₃₀
CHOLECALCIFEROL₂₇
CHOLECYSTECTOMY₃₂
CHOLECYSTITIDES₂₆
CHOLECYSTITISES₂₅
CHOLECYSTOKININ₂₉
CHOLECYSTOSTOMY₃₀
CHOLESTEROLEMIA₂₂
CHOLESTYRAMINES₂₅
CHOLINERGICALLY₂₆
CHOLINESTERASES₂₀
CHONDRICHTHYANS₃₂
CHONDRIFICATION₂₆
CHONDROCRANIUMS₂₅
CHONDROPHORINES₂₆
CHONDROSKELETON₂₅
CHORDAMESODERMS₂₆
CHORIOALLANTOIC₂₂
CHORIOALLANTOIS₂₀
CHORIOCARCINOMA₂₆
CHRESTOMATHICAL₂₇
CHROMATICNESSES₂₄
CHROMATOGRAPHED₂₉
CHROMATOGRAPHER₂₈
CHROMATOGRAPHIC₃₀
CHROMATOLOGISTS₂₃
CHROMATOPHOROUS₂₇
CHROMATOSPHERES₂₇
CHROMOTHERAPIES₂₇
CHROMOXYLOGRAPH₃₈
CHRONOBIOLOGIES₂₃
CHRONOBIOLOGIST₂₃
CHRONOGRAMMATIC₂₇
CHRONOLOGICALLY₂₆
CHRONOTHERAPIES₂₅
CHURRIGUERESQUE₃₀
CINCHONISATIONS₂₂
CINCHONIZATIONS₃₁
CINEANGIOGRAPHY₂₇
CINEMATOGRAPHED₂₆
CINEMATOGRAPHER₂₅
CINEMATOGRAPHIC₂₇
CINEMICROGRAPHY₃₀
CIRCULARISATION₁₉
CIRCULARIZATION₂₈
CIRCUMAMBAGIOUS₂₆
CIRCUMAMBIENCES₂₇
CIRCUMAMBIENTLY₂₈
CIRCUMAMBULATED₂₆
CIRCUMAMBULATES₂₅
CIRCUMAMBULATOR₂₅
CIRCUMFERENTIAL₂₄
CIRCUMFERENTORS₂₄
CIRCUMFORANEOUS₂₄
CIRCUMGYRATIONS₂₅
CIRCUMINCESSION₂₃
CIRCUMINSESSION₂₁
CIRCUMJACENCIES₃₂
CIRCUMLOCUTIONS₂₃
CIRCUMNAVIGABLE₂₇
CIRCUMNAVIGATED₂₆
CIRCUMNAVIGATES₂₅
CIRCUMNAVIGATOR₂₅
CIRCUMNUTATIONS₂₁
CIRCUMPOSITIONS₂₃
CIRCUMSCRIBABLE₂₇
CIRCUMSCRIPTION₂₅
CIRCUMSCRIPTIVE₂₈
CIRCUMSPECTIONS₂₅
CIRCUMSPECTNESS₂₅
CIRCUMSTANTIALS₂₁
CIRCUMSTANTIATE₂₁
CIRCUMVALLATING₂₅
CIRCUMVALLATION₂₄
CIRCUMVOLUTIONS₂₄
CITRICULTURISTS₁₉
CIVILIANISATION₂₀
CIVILIANIZATION₂₉
CLAMOROUSNESSES₁₉
CLANDESTINENESS₁₈
CLANDESTINITIES₁₈
CLASSICALNESSES₁₉
CLASSIFICATIONS₂₂
CLASSLESSNESSES₁₇
CLAUSTROPHOBIAS₂₄
CLEARHEADEDNESS₂₂
CLEAVABLENESSES₂₂
CLEISTOGAMOUSLY₂₃
CLIMACTERICALLY₂₆
CLIMATOGRAPHIES₂₅
CLOUDLESSNESSES₁₈
CLUBBABLENESSES₂₃
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
CRANIOLOGICALLY₂₃
CRAPULOUSNESSES₁₉
CRASHWORTHINESS₂₆
CREDITABILITIES₂₀
CREDITWORTHIEST₂₄
CREDULOUSNESSES₁₈
CRESTFALLENNESS₂₀
CRIMINALISATION₁₉
CRIMINALIZATION₂₈
CRIMINOUSNESSES₁₉
CRINGEWORTHIEST₂₄
CROSSLINGUISTIC₂₀
CROSSOPTERYGIAN₂₃
CROTCHETINESSES₂₂
CRUCIVERBALISMS₂₆
CRUCIVERBALISTS₂₄
CRUSTACEOLOGIES₂₀
CRYOPRECIPITATE₂₆
CRYOPROTECTANTS₂₄
CRYPTAESTHESIAS₂₅
CRYPTANALYTICAL₂₇
CRYPTOGRAPHICAL₃₀
CRYPTOGRAPHISTS₂₈
CRYPTORCHIDISMS₃₀
CRYPTOSPORIDIUM₂₇
CRYPTOZOOLOGIES₃₂
CRYPTOZOOLOGIST₃₂
CRYSTALISATIONS₂₀
CRYSTALIZATIONS₂₉
CRYSTALLINITIES₂₀
CRYSTALLISATION₂₀
CRYSTALLIZATION₂₉
CRYSTALLOGRAPHY₂₉
CULTIVABILITIES₂₂
CUSTOMARINESSES₁₉
CUSTOMIZABILITY₃₃
CYANOACETYLENES₂₅
CYANOCOBALAMINE₂₆
CYANOCOBALAMINS₂₆
CYANOETHYLATING₂₇
CYANOETHYLATION₂₆
CYBERSECURITIES₂₄
CYBERSQUATTINGS₃₂
CYBERTERRORISMS₂₄
CYBERTERRORISTS₂₂
CYCLOBARBITONES₂₆
CYCLOHEXYLAMINE₃₇
CYCLOOXYGENASES₃₃
CYCLOPENTADIENE₂₅
CYCLOPENTOLATES₂₄
CYLINDRICALNESS₂₃
CYPROHEPTADINES₂₈
CYTOCHEMISTRIES₂₇
CYTOGENETICALLY₂₆
CYTOGENETICISTS₂₃
CYTOMEGALOVIRUS₂₆
CYTOPATHOLOGIES₂₆
CYTOPATHOLOGIST₂₆
CYTOPHOTOMETRIC₂₉
CYTOPLASMICALLY₂₉
CYTOTAXONOMISTS₂₉

Letters by positionIn 57% of these words the 2nd letter is O.

2nd letter

O57%
H13%
I7%

3rd letter

N28%
R14%
U13%

6th letter

E18%
A10%
R8%

13th letter

I35%
S14%
E11%

14th letter

E29%
N15%
S11%

15th letter

S53%
Y12%
N8%

Highest-scoring words

Scrabble and Words With Friends points, before board bonuses

Score spreadMost of these words score 20 in Scrabble; CHROMOXYLOGRAPH tops the list with 38. Scores before board bonuses.

1717 points: 23 words
18 points: 20 words
1919 points: 48 words
20 points: 63 words
2121 points: 51 words
22 points: 58 words
2323 points: 46 words
24 points: 59 words
2525 points: 42 words
26 points: 48 words
2727 points: 36 words
28 points: 26 words
2929 points: 30 words
30 points: 21 words
3131 points: 9 words
32 points: 9 words
3333 points: 6 words
34 points: 1 words
3535 points: 1 words
36 points: 2 words
3737 points: 1 words
38 points: 1 words

Word	Scrabble	Words With Friends	Dictionaries
CHROMOXYLOGRAPH	38	40	Collins only
CYCLOHEXYLAMINE	37	40	All three
COENZYMATICALLY	36	40	All three
COMPREHENSIVIZE	36	40	Collins only
CHEMOPSYCHIATRY	35	35	Collins only
CONTEXTUALIZING	34	40	All three
COMMERCIALIZING	33	40	All three
CUSTOMIZABILITY	33	37	NWL only
CHLOROTHIAZIDES	33	33	All three
CHLORPROMAZINES	33	37	All three
CHARACTERIZABLE	33	36	Collins only
CYCLOOXYGENASES	33	36	NWL only

C begins 601 fifteen-letter entries, second only to P at 695, and the vocabulary ranges from congratulations and characteristics to cardiopulmonary and crystallography. Five meet the common-word cutoff, so spelling clues matter more than everyday familiarity. Chromoxylograph alone reaches 38 points, while the average across the group is 23.7.

The shape of the C list

601 entries begin with C and have exactly fifteen letters.
Collins includes 576; NWL2023 includes 377, so the accepted pool depends on your game.
321 entries end in S, compared with 75 ending in Y.
Only five entries meet our common-word frequency threshold.
Chromoxylograph leads the score list at 38; cyclohexylamine follows at 37.

Which C starters lead the score list?

Chromoxylograph tops the list at 38 points, followed by cyclohexylamine at 37. Coenzymatically and comprehensivize each score 36, while chemopsychiatry reaches 35. These are specialist spellings, not words to assume an opponent will accept without checking the game dictionary.

Across all 601 entries, the average score is 23.7. The spread matters more than length alone: chromoxylograph's unusual X and Y contribute to its 38-point total, while familiar congratulations is recognizable but not among the highest scorers. That gap gives you a clue whether a familiar word is likely to be a scoring leader.

Are 15-letter words starting with C common?

No. Only five of the 601 qualify as common by our frequency measure, so much of the pool is technical or specialized. Characteristics and countermeasures are easier to recognize than crystallography or corticosteroids, but all four show how varied C's long entries can be.

Dictionary coverage is another constraint: Collins contains 576 entries, NWL2023 has 377, and ENABLE has 320. Those counts overlap, so adding them does not give a distinct-word total. Check your game's word list once before committing; a Collins entry may not be accepted in an NWL game.

Questions people ask

What is a 15-letter word that starts with C?

Congratulations is one familiar example of a 15-letter word beginning with C. Characteristics and countermeasures are other recognizable choices, while the full set contains 601 entries across the tournament dictionaries represented here.

Which 15-letter C word has the highest score?

Chromoxylograph leads the score list at 38 points. Cyclohexylamine follows at 37, and coenzymatically and comprehensivize each score 36. These unusually technical spellings are worth checking against the dictionary used in your game.

Are most 15-letter words starting with C common words?

No. Only five entries meet our common-word frequency threshold. The list includes familiar words such as congratulations, but many others, including crystallography and cardiopulmonary, are specialized vocabulary.

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