12-letter words starting with O

12-letter words starting with O number 762, including familiar choices such as ORGANIZATION and OVERWHELMING.

762 wordsTop pick ORGANIZATIONHighest score OBJECTIVIZED 36

10 of 762 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

S starts the most 12-letter words (2,238); Y starts the fewest (10). O ranks #13 of 26. The bar under each letter shows the size of its list.

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

Best words to play first 762 · most-used first

ORGANIZATION₂₂
OCCASIONALLY₁₉
ORGANISATION₁₃
OVERWHELMING₂₄
OBSERVATIONS₁₇
OCCUPATIONAL₁₈
OPTIMIZATION₂₅
ORCHESTRATED₁₈
OVERSHADOWED₂₃
OVERREACTING₁₈
OVERCROWDING₂₂
OSTEOPOROSIS₁₄
OVERPOWERING₂₁
ORIENTATIONS₁₂
OUTSTRETCHED₁₈
OSCILLATIONS₁₄
OCEANOGRAPHY₂₃
OVERTHINKING₂₃
OTHERWORLDLY₂₂
OVERESTIMATE₁₇
OUTRAGEOUSLY₁₆
OBSTRUCTIONS₁₆
OUTPERFORMED₂₀
OVERREACTION₁₇
OVERTHROWING₂₂
OPTIMISATION₁₆
OUTBUILDINGS₁₆
OSTENTATIOUS₁₂
OBSOLESCENCE₁₈
OBSTETRICIAN₁₆
ORTHODONTIST₁₆
OVERBURDENED₁₉
OPPOSITIONAL₁₆
OPPORTUNISTS₁₆
OVERSTEPPING₂₀
OVERCHARGING₂₂
OBLITERATING₁₅
OSCILLOSCOPE₁₈
OVEREXTENDED₂₄
OVERREACHING₂₁
OVERSPENDING₁₉
OBLITERATION₁₄
ORTHODONTICS₁₈
OBJECTIFYING₃₀
OPTOMETRISTS₁₆
ORIENTEERING₁₃
ORTHOPAEDICS₂₀
ORTHOGRAPHIC₂₃

Showing the top 48 of 762 words. See every valid word

All valid words 762

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

OAFISHNESSES₁₈
OARSMANSHIPS₁₉
OBCOMPRESSED₂₁
OBDURATENESS₁₅
OBEDIENTIARY₁₈
OBFUSCATIONS₁₉
OBJECTIFYING₃₀
OBJECTIVATED₂₇
OBJECTIVATES₂₆
OBJECTIVISED₂₇
OBJECTIVISES₂₆
OBJECTIVISMS₂₈
OBJECTIVISTS₂₆
OBJECTIVIZED₃₆
OBJECTIVIZES₃₅
OBJURGATIONS₂₂
OBLANCEOLATE₁₆
OBLATENESSES₁₄
OBLIGATIONAL₁₅
OBLIGATORILY₁₈
OBLIGINGNESS₁₆
OBLIQUATIONS₂₃
OBLITERATING₁₅
OBLITERATION₁₄
OBLITERATIVE₁₇
OBLITERATORS₁₄
OBLIVISCENCE₂₁
OBMUTESCENCE₂₀
OBNUBILATING₁₇
OBNUBILATION₁₆
OBREPTITIOUS₁₆
OBSCURANTISM₁₈
OBSCURANTIST₁₆
OBSCURATIONS₁₆
OBSCUREMENTS₁₈
OBSECRATIONS₁₆
OBSEQUIOUSLY₂₆
OBSERVANCIES₁₉
OBSERVATIONS₁₇
OBSESSIONIST₁₄
OBSIGNATIONS₁₅
OBSOLESCENCE₁₈
OBSOLETENESS₁₄
OBSTETRICIAN₁₆
OBSTIPATIONS₁₆
OBSTREPERATE₁₆
OBSTREPEROUS₁₆
OBSTRICTIONS₁₆
OBSTROPALOUS₁₆
OBSTROPULOUS₁₆
OBSTRUCTIONS₁₆
OBSTRUCTIVES₁₉
OBTEMPERATED₁₉
OBTEMPERATES₁₈
OBTESTATIONS₁₄
OBTRUNCATING₁₇
OBTUSENESSES₁₄
OBUMBRATIONS₁₈
OCCASIONALLY₁₉
OCCIDENTALLY₂₀
OCCULTATIONS₁₆
OCCULTNESSES₁₆
OCCUPATIONAL₁₈
OCEANOGRAPHY₂₃
OCEANOLOGIES₁₅
OCEANOLOGIST₁₅
OCHLOCRACIES₂₁
OCHLOPHOBIAC₂₆
OCHLOPHOBIAS₂₄
OCHROLEUCOUS₁₉
OCTAHEDRALLY₂₁
OCTAHEDRITES₁₈
OCTAPEPTIDES₁₉
OCTAPLOIDIES₁₇
OCTASTICHONS₁₉
OCTASTICHOUS₁₉
OCTASTROPHIC₂₁
OCTILLIONTHS₁₇
OCTOGENARIAN₁₅
OCTOGENARIES₁₅
OCTOPETALOUS₁₆
OCTOSEPALOUS₁₆
OCTOSTICHOUS₁₉
OCTOSYLLABIC₂₁
OCTOSYLLABLE₁₉
OCTUPLICATES₁₈
ODIOUSNESSES₁₃
ODONTOBLASTS₁₅
ODONTOGENIES₁₄
ODONTOGRAPHS₁₉
ODONTOGRAPHY₂₂
ODONTOLOGIES₁₄
ODONTOLOGIST₁₄
ODONTOMATOUS₁₅
ODONTOPHOBIA₂₀
ODONTOPHORAL₁₈
ODONTOPHORAN₁₈
ODONTOPHORES₁₈
ODORIMETRIES₁₅
OENOPHILISTS₁₇
OESOPHAGITIS₁₈
OESOPHAGUSES₁₈
OFFENDRESSES₁₉
OFFICEHOLDER₂₄
OFFICIALDOMS₂₃
OFFICIALESES₂₀
OFFICIALISMS₂₂
OFFICIALTIES₂₀
OFFICIATIONS₂₀
OFFISHNESSES₂₁
OFFSCOURINGS₂₁
OLALLIEBERRY₁₇
OLEAGINOUSLY₁₆
OLEANDOMYCIN₂₀
OLEOGRAPHIES₁₈
OLEOMARGARIN₁₅
OLEORESINOUS₁₂
OLERICULTURE₁₄
OLFACTOMETER₁₉
OLFACTOMETRY₂₂
OLFACTRONICS₁₉
OLIGARCHICAL₂₀
OLIGOCHAETES₁₈
OLIGOCHROMES₂₀
OLIGOPEPTIDE₁₈
OLIGOPHAGIES₁₉
OLIGOPHAGOUS₁₉
OLIGOPOLISTS₁₅
OLIGOPSONIES₁₅
OLIGOSPERMIA₁₇
OLIGOTROPHIC₂₀
OMBROPHILOUS₂₁
OMBROPHOBOUS₂₃
OMBUDSPERSON₁₉
OMISSIVENESS₁₇
OMMATOPHORES₂₁
OMNIFICENCES₂₁
OMNIPARITIES₁₆
OMNIPOTENCES₁₈
OMNIPOTENTLY₁₉
OMNIPRESENCE₁₈
OMNISCIENCES₁₈
OMNISCIENTLY₁₉
OMNIVOROUSLY₂₀
OMPHALOMANCY₂₆
ONCOGENICITY₂₀
ONCORNAVIRUS₁₇
ONEIROCRITIC₁₆
ONEIRODYNIAS₁₆
ONEIROLOGIES₁₃
ONEIROMANCER₁₆
ONOMASIOLOGY₁₈
ONOMASTICIAN₁₆
ONOMASTICONS₁₆
ONOMATOPOEIA₁₆
ONOMATOPOEIC₁₈
ONYCHOPHORAN₂₅
OOPHORECTOMY₂₄
OOPHORITISES₁₇
OPALESCENCES₁₈
OPALESCENTLY₁₉
OPAQUENESSES₂₃
OPEIDOSCOPES₁₉
OPENHANDEDLY₂₂
OPERATICALLY₁₉
OPERATIONISM₁₆
OPERATIONIST₁₄
OPERATORLESS₁₄
OPHICALCITES₂₁
OPHIDIARIUMS₂₀
OPHIDIOPHOBE₂₅
OPHIOLATRIES₁₇
OPHIOLATROUS₁₇
OPHIOLOGICAL₂₀
OPHIOLOGISTS₁₈
OPHIOMORPHIC₂₆
OPHIOPHAGOUS₂₃
OPHIOPHILIST₂₂
OPHTHALMISTS₂₂
OPHTHALMITIS₂₂
OPINIONATELY₁₇
OPINIONATIVE₁₇
OPINIONATORS₁₄
OPISTHODOMOI₂₀
OPISTHODOMOS₂₀
OPISTHOGRAPH₂₃
OPISTHOTONIC₁₉
OPISTHOTONOS₁₇
OPOTHERAPIES₁₉
OPPIGNERATED₁₈
OPPIGNERATES₁₇
OPPIGNORATED₁₈
OPPIGNORATES₁₇
OPPORTUNISMS₁₈
OPPORTUNISTS₁₆
OPPOSABILITY₂₁
OPPOSITENESS₁₆
OPPOSITIONAL₁₆
OPPRESSINGLY₂₀
OPPRESSIVELY₂₂
OPPUGNANCIES₁₉
OPSONISATION₁₄
OPSONIZATION₂₃
OPTIMALISING₁₇
OPTIMALITIES₁₆
OPTIMALIZING₂₆
OPTIMISATION₁₆
OPTIMISTICAL₁₈
OPTIMIZATION₂₅
OPTOACOUSTIC₁₈
OPTOMETRICAL₁₈
OPTOMETRISTS₁₆
ORACULARNESS₁₄
ORATORICALLY₁₇
ORBICULARITY₁₉
ORCHARDGRASS₁₉
ORCHESTRALLY₂₀
ORCHESTRATED₁₈
ORCHESTRATER₁₇
ORCHESTRATES₁₇
ORCHESTRATOR₁₇
ORCHESTRINAS₁₇
ORCHESTRIONS₁₇
ORCHIDACEOUS₂₀
ORCHIDECTOMY₂₅
ORCHIDOMANIA₂₀
ORDINARINESS₁₃
ORECCHIETTES₁₉
OREOGRAPHIES₁₈
OREPEARCHING₂₀
ORGANICISTIC₁₇
ORGANICITIES₁₅
ORGANISATION₁₃
ORGANISMALLY₁₈
ORGANISTRUMS₁₅
ORGANIZATION₂₂
ORGANOGENIES₁₄
ORGANOGRAPHY₂₂
ORGANOLEPTIC₁₇
ORGANOLOGIES₁₄
ORGANOLOGIST₁₄
ORGASMICALLY₂₀
ORICHALCEOUS₁₉
ORIENTALISED₁₃
ORIENTALISES₁₂
ORIENTALISMS₁₄
ORIENTALISTS₁₂
ORIENTALIZED₂₂
ORIENTALIZES₂₁
ORIENTATIONS₁₂
ORIENTEERING₁₃
ORIGINALISMS₁₅
ORIGINALISTS₁₃
ORIGINATIONS₁₃
ORISMOLOGIES₁₅
ORNAMENTALLY₁₇
ORNAMENTISTS₁₄
ORNATENESSES₁₂
ORNERINESSES₁₂
ORNITHOGALUM₁₈
ORNITHOLOGIC₁₈
ORNITHOMANCY₂₂
ORNITHOMORPH₂₂
ORNITHOPHILY₂₃
ORNITHOPTERS₁₇
ORNITHOSAURS₁₅
ORNITHOSCOPY₂₂
OROGENICALLY₁₈
OROGRAPHICAL₂₀
OROLOGICALLY₁₈
OROPHARYNGES₂₁
OROPHARYNXES₂₇
OROROTUNDITY₁₆
OROTUNDITIES₁₃
ORTHOBORATES₁₇
ORTHOCENTERS₁₇
ORTHOCENTRES₁₇
ORTHOCEPHALY₂₅
ORTHOCOUSINS₁₇
ORTHODONTIAS₁₆
ORTHODONTICS₁₈
ORTHODONTIST₁₆
ORTHODROMICS₂₀
ORTHODROMIES₁₈
ORTHOGENESES₁₆
ORTHOGENESIS₁₆
ORTHOGENETIC₁₈
ORTHOGNATHIC₂₁
ORTHOGONALLY₁₉
ORTHOGRAPHER₂₁
ORTHOGRAPHIC₂₃
ORTHOMORPHIC₂₄
ORTHOPAEDICS₂₀
ORTHOPAEDIES₁₈
ORTHOPAEDIST₁₈
ORTHOPEDICAL₂₀
ORTHOPEDISTS₁₈
ORTHOPRAXIES₂₄
ORTHOPTERANS₁₇
ORTHOPTERIST₁₇
ORTHOPTEROID₁₈
ORTHOPTEROUS₁₇
ORTHORHOMBIC₂₄
ORTHOTONESES₁₅
ORTHOTONESIS₁₅
ORTHOTROPIES₁₇
ORTHOTROPISM₁₉
ORTHOTROPOUS₁₇
ORTHOVANADIC₂₁
ORYCTOLOGIES₁₈
OSCILLATIONS₁₄
OSCILLOGRAMS₁₇
OSCILLOGRAPH₂₀
OSCILLOSCOPE₁₈
OSCULATORIES₁₄
OSELTAMIVIRS₁₇
OSMOLALITIES₁₄
OSMOLARITIES₁₄
OSSIFICATION₁₇
OSTEICHTHYAN₂₃
OSTENTATIONS₁₂
OSTENTATIOUS₁₂
OSTEOBLASTIC₁₆
OSTEOCLASTIC₁₆
OSTEODERMOUS₁₅
OSTEOGENESES₁₃
OSTEOGENESIS₁₃
OSTEOGENETIC₁₅
OSTEOLOGICAL₁₅
OSTEOLOGISTS₁₃
OSTEOMALACIA₁₆
OSTEOMALACIC₁₈
OSTEOPATHIES₁₇
OSTEOPATHIST₁₇
OSTEOPLASTIC₁₆
OSTEOPOROSES₁₄
OSTEOPOROSIS₁₄
OSTEOPOROTIC₁₆
OSTEOSARCOMA₁₆
OSTRACISABLE₁₆
OSTRACIZABLE₂₅
OSTRACODERMS₁₇
OSTREOPHAGES₁₈
OTHERWORLDLY₂₂
OTIOSENESSES₁₂
OTOSCLEROSES₁₄
OTOSCLEROSIS₁₄
OUTACHIEVING₂₁
OUTBALANCING₁₇
OUTBARGAINED₁₆
OUTBLUSTERED₁₅
OUTBRAZENING₂₄
OUTBREATHING₁₈
OUTBREEDINGS₁₆
OUTBUILDINGS₁₆
OUTCAVILLING₁₈
OUTCOMPETING₁₉
OUTCRAFTYING₂₁
OUTCROPPINGS₁₉
OUTCROSSINGS₁₅
OUTDATEDNESS₁₄
OUTDELIVERED₁₇
OUTDESIGNING₁₅
OUTDISTANCED₁₆
OUTDISTANCES₁₅
OUTERCOURSES₁₄
OUTFANGTHIEF₂₂
OUTGALLOPING₁₆
OUTGENERALED₁₄
OUTGLITTERED₁₄
OUTGOINGNESS₁₄
OUTINTRIGUED₁₄
OUTINTRIGUES₁₃
OUTJOCKEYING₂₉
OUTLANDISHLY₁₉
OUTLAUNCHING₁₈
OUTMANEUVERS₁₇
OUTMANOEUVRE₁₇
OUTMARRIAGES₁₅
OUTMASTERING₁₅
OUTMEASURING₁₅
OUTMODEDNESS₁₆
OUTNUMBERING₁₇
OUTORGANISED₁₄
OUTORGANISES₁₃
OUTORGANIZED₂₃
OUTORGANIZES₂₂
OUTPASSIONED₁₅
OUTPERFORMED₂₀
OUTPLACEMENT₁₈
OUTPOLITICKS₂₀
OUTPOPULATED₁₇
OUTPOPULATES₁₆
OUTPREACHING₂₀
OUTPRODUCING₁₈
OUTPROMISING₁₇
OUTRAGEOUSLY₁₆
OUTREASONING₁₃
OUTREBOUNDED₁₆
OUTRECKONING₁₉
OUTREDDENING₁₅
OUTREPRODUCE₁₇
OUTRIGHTNESS₁₆
OUTRIVALLING₁₆
OUTSCREAMING₁₇
OUTSIDERNESS₁₃
OUTSOURCINGS₁₅
OUTSPARKLING₁₉
OUTSPREADING₁₆
OUTSPRINGING₁₆
OUTSPRINTING₁₅
OUTSTRAINING₁₃
OUTSTRETCHED₁₈
OUTSTRETCHES₁₇
OUTSTRIPPING₁₇
OUTSWEETENED₁₆
OUTTHROBBING₂₀
OUTTHRUSTING₁₆
OUTTRAVELING₁₆
OUTTRAVELLED₁₆
OUTVILLAINED₁₆
OUTWRESTLING₁₆
OVARIOTOMIES₁₇
OVARIOTOMIST₁₇
OVERABOUNDED₁₉
OVERABSTRACT₁₉
OVERABUNDANT₁₈
OVERACHIEVED₂₄
OVERACHIEVER₂₃
OVERACHIEVES₂₃
OVERACTIVITY₂₃
OVERADJUSTED₂₄
OVERANALYSED₁₉
OVERANALYSES₁₈
OVERANALYSIS₁₈
OVERANALYZED₂₈
OVERANALYZES₂₇
OVERAROUSALS₁₅
OVERARRANGED₁₇
OVERARRANGES₁₆
OVERASSERTED₁₆
OVERASSESSED₁₆
OVERASSESSES₁₅
OVERBALANCED₂₀
OVERBALANCES₁₉
OVERBIDDINGS₂₀
OVERBLANKETS₂₁
OVERBLEACHED₂₃
OVERBLEACHES₂₂
OVERBLOWINGS₂₁
OVERBORROWED₂₁
OVERBOUNDING₁₉
OVERBREATHED₂₁
OVERBREATHES₂₀
OVERBREEDING₁₉
OVERBRIDGING₂₀
OVERBRIEFING₂₁
OVERBRIMMING₂₂
OVERBROWSING₂₁
OVERBUILDING₁₉
OVERBURDENED₁₉
OVERBURTHENS₂₀
OVERCANOPIED₂₀
OVERCANOPIES₁₉
OVERCAPACITY₂₄
OVERCARRYING₂₁
OVERCASTINGS₁₈
OVERCATCHING₂₃
OVERCAUTIONS₁₇
OVERCAUTIOUS₁₇
OVERCHARGING₂₂
OVERCHILLING₂₁
OVERCLAIMING₂₀
OVERCLASSIFY₂₃
OVERCLEANING₁₈
OVERCLEARING₁₈
OVERCLOCKING₂₄
OVERCLOUDING₁₉
OVERCOACHING₂₃
OVERCOATINGS₁₈
OVERCOLORING₁₈
OVERCOLOURED₁₈
OVERCOMPRESS₂₁
OVERCONCERNS₁₉
OVERCONSUMED₂₀
OVERCONSUMES₁₉
OVERCONTROLS₁₇
OVERCORRECTS₁₉
OVERCOUNTING₁₈
OVERCOVERING₂₁
OVERCRAMMING₂₂
OVERCRITICAL₁₉
OVERCROPPING₂₂
OVERCROWDING₂₂
OVERCUTTINGS₁₈
OVERDECORATE₁₈
OVERDESIGNED₁₈
OVERDEVELOPS₂₁
OVERDEVIATED₂₀
OVERDEVIATES₁₉
OVERDIAGNOSE₁₇
OVERDIRECTED₁₉
OVERDISCOUNT₁₈
OVERDOCUMENT₂₀
OVERDOMINANT₁₈
OVERDRAMATIC₂₀
OVERDRAUGHTS₂₀
OVERDRESSING₁₇
OVERDRINKERS₂₀
OVERDRINKING₂₁
OVEREDUCATED₁₉
OVEREDUCATES₁₈
OVEREMPHASES₂₂
OVEREMPHASIS₂₂
OVEREMPHATIC₂₄
OVERENAMORED₁₈
OVERENGINEER₁₆
OVERENROLLED₁₆
OVEREQUIPPED₂₉
OVERESTIMATE₁₇
OVEREVALUATE₁₈
OVEREXCITING₂₅
OVEREXERCISE₂₄
OVEREXERTING₂₃
OVEREXERTION₂₂
OVEREXPANDED₂₆
OVEREXPLAINS₂₄
OVEREXPLICIT₂₆
OVEREXPLOITS₂₄
OVEREXPOSING₂₅
OVEREXPOSURE₂₄
OVEREXTENDED₂₄
OVERFAMILIAR₂₀
OVERFATIGUED₂₀
OVERFATIGUES₁₉
OVERFAVORING₂₂
OVERFINENESS₁₈
OVERFINISHED₂₂
OVERFISHINGS₂₂
OVERFLOODING₂₀
OVERFLOURISH₂₁
OVERFLOWINGS₂₂
OVERFOCUSING₂₁
OVERFOCUSSED₂₁
OVERFOCUSSES₂₀
OVERFONDNESS₁₉
OVERFREEDOMS₂₁
OVERFREIGHTS₂₂
OVERFULFILLS₂₁
OVERFULLNESS₁₈
OVERFUNDINGS₂₀
OVERGARMENTS₁₈
OVERGENEROUS₁₆
OVERGLANCING₁₉
OVERGLOOMING₁₉
OVERGOVERNED₂₀
OVERGRAINERS₁₆
OVERGRAINING₁₇
OVERGRASSING₁₇
OVERGRAZINGS₂₆
OVERGREENING₁₇
OVERHANDLING₂₀
OVERHARVESTS₂₁
OVERHEATINGS₁₉
OVERHONORING₁₉
OVERHUNTINGS₁₉
OVERIDEALISE₁₆
OVERIDEALIZE₂₅
OVERIDENTIFY₂₂
OVERINCLINED₁₈
OVERINDEBTED₁₉
OVERINDULGED₁₈
OVERINDULGES₁₇
OVERINFLATED₁₉
OVERINFLATES₁₈
OVERINFORMED₂₁
OVERINSURING₁₆
OVERINVESTED₁₉
OVERISSUANCE₁₇
OVERKINDNESS₂₀
OVERLABORING₁₈
OVERLABOURED₁₈
OVERLAPPINGS₂₀
OVERLAUNCHED₂₁
OVERLAUNCHES₂₀
OVERLAVISHED₂₂
OVERLAVISHES₂₁
OVERLEARNING₁₆
OVERLEATHERS₁₈
OVERLEAVENED₁₉
OVERLENGTHEN₁₉
OVERLIGHTING₂₀
OVERLITERARY₁₈
OVERLOCKINGS₂₂
OVERLORDSHIP₂₁
OVERMANAGERS₁₈
OVERMANAGING₁₉
OVERMANNERED₁₈
OVERMANNINGS₁₈
OVERMASTERED₁₈
OVERMATCHING₂₃
OVERMATURITY₂₀
OVERMEASURED₁₈
OVERMEASURES₁₇
OVERMEDICATE₂₀
OVERMODESTLY₂₁
OVERMOUNTING₁₈
OVERMULTIPLY₂₂
OVERNICENESS₁₇
OVERNIGHTERS₁₉
OVERNIGHTING₂₀
OVEROFFICING₂₄
OVEROPERATED₁₈
OVEROPERATES₁₇
OVEROPTIMISM₂₁
OVEROPTIMIST₁₉
OVERORGANISE₁₆
OVERORGANIZE₂₅
OVERORNAMENT₁₇
OVERPACKAGED₂₅
OVERPACKAGES₂₄
OVERPAINTING₁₈
OVERPAYMENTS₂₂
OVERPEDALING₁₉
OVERPEDALLED₁₉
OVERPEOPLING₂₀
OVERPERCHING₂₃
OVERPERSUADE₁₈
OVERPICTURED₂₀
OVERPICTURES₁₉
OVERPITCHING₂₃
OVERPLANNING₁₈
OVERPLANTING₁₈
OVERPLOTTING₁₈
OVERPOPULATE₁₉
OVERPOWERING₂₁
OVERPRAISING₁₈
OVERPREDICTS₂₀
OVERPREPARED₂₀
OVERPREPARES₁₉
OVERPRESSING₁₈
OVERPRESSURE₁₇
OVERPRINTING₁₈
OVERPRODUCED₂₁
OVERPRODUCES₂₀
OVERPROGRAMS₂₀
OVERPROMISED₂₀
OVERPROMISES₁₉
OVERPROMOTED₂₀
OVERPROMOTES₁₉
OVERPROTECTS₁₉
OVERRASHNESS₁₈
OVERREACHERS₂₀
OVERREACHING₂₁
OVERREACTING₁₈
OVERREACTION₁₇
OVERRECKONED₂₂
OVERREFINING₁₉
OVERREGULATE₁₆
OVERRELIANCE₁₇
OVERREPORTED₁₈
OVERRESPONDS₁₈
OVERRIPENESS₁₇
OVERRIPENING₁₈
OVERROASTING₁₆
OVERSAMPLING₂₀
OVERSANGUINE₁₆
OVERSATURATE₁₅
OVERSCHEDULE₂₁
OVERSCHUTCHT₂₅
OVERSCUTCHED₂₃
OVERSECRETED₁₈
OVERSECRETES₁₇
OVERSERVICED₂₁
OVERSERVICES₂₀
OVERSHADOWED₂₃
OVERSHOOTING₁₉
OVERSHOWERED₂₂
OVERSIMPLIFY₂₅
OVERSKIPPING₂₄
OVERSLAUGHED₂₀
OVERSLEEPING₁₈
OVERSLIPPING₂₀
OVERSPENDERS₁₈
OVERSPENDING₁₉
OVERSPILLING₁₈
OVERSTAFFING₂₂
OVERSTAINING₁₆
OVERSTANDING₁₇
OVERSTEERING₁₆
OVERSTEPPING₂₀
OVERSTINKING₂₀
OVERSTIRRING₁₆
OVERSTOCKING₂₂
OVERSTRAINED₁₆
OVERSTRESSED₁₆
OVERSTRESSES₁₅
OVERSTREWING₁₉
OVERSTRIDDEN₁₇
OVERSTRIDING₁₇
OVERSTRIKING₂₀
OVERSTUDYING₂₀
OVERSTUFFING₂₂
OVERSUBTLETY₂₀
OVERSUPPLIED₂₀
OVERSUPPLIES₁₉
OVERSWEARING₁₉
OVERSWEETENS₁₈
OVERSWELLING₁₉
OVERSWIMMING₂₃
OVERSWINGING₂₀
OVERTAXATION₂₂
OVERTEACHING₂₁
OVERTHINKERS₂₂
OVERTHINKING₂₃
OVERTHINNING₁₉
OVERTHROWERS₂₁
OVERTHROWING₂₂
OVERTHWARTED₂₂
OVERTIGHTENS₁₉
OVERTOWERING₁₉
OVERTRAINING₁₆
OVERTREATING₁₆
OVERTRIMMING₂₀
OVERTRIPPING₂₀
OVERTRUMPING₂₀
OVERTRUSTING₁₆
OVERUTILISED₁₆
OVERUTILISES₁₅
OVERUTILIZED₂₅
OVERUTILIZES₂₄
OVERVOLTAGES₁₉
OVERWATCHING₂₄
OVERWATERING₁₉
OVERWEARYING₂₂
OVERWEATHERS₂₁
OVERWEENINGS₁₉
OVERWEIGHING₂₃
OVERWEIGHTED₂₃
OVERWHELMING₂₄
OVERWINTERED₁₉
OVERWITHHELD₂₅
OVERWITHHOLD₂₅
OVERWRESTING₁₉
OVERWRESTLED₁₉
OVERWRESTLES₁₈
OVERWRITINGS₁₉
OVIPOSITIONS₁₇
OWLISHNESSES₁₈
OXALACETATES₂₁
OXALOACETATE₂₁
OXIDIMETRIES₂₂
OXIDISATIONS₂₀
OXIDIZATIONS₂₉
OXYACETYLENE₂₇
OXYCEPHALIES₂₉
OXYCEPHALOUS₂₉
OXYGENATIONS₂₃
OXYSULPHIDES₂₈
OZONISATIONS₂₁
OZONIZATIONS₃₀
OZONOSPHERES₂₆

Letters by positionIn 46% of these words the 4th letter is R.

2nd letter

V43%
R13%
U10%

3rd letter

E46%
T22%
I5%

4th letter

R46%
I9%
E7%

10th letter

I33%
S9%
O9%

11th letter

E31%
N25%
S6%

12th letter

S42%
G19%
D13%

Highest-scoring words

Scrabble and Words With Friends points, before board bonuses

Score spreadMost of these words score 18 in Scrabble; OBJECTIVIZED tops the list with 36. Scores before board bonuses.

1212 points: 9 words
13 points: 17 words
1414 points: 36 words
15 points: 40 words
1616 points: 88 words
17 points: 83 words
1818 points: 111 words
19 points: 95 words
2020 points: 82 words
21 points: 55 words
2222 points: 48 words
23 points: 30 words
2424 points: 23 words
25 points: 16 words
2626 points: 12 words
27 points: 5 words
2828 points: 3 words
29 points: 5 words
3030 points: 2 words
31 points: 0 words
3232 points: 0 words
33 points: 0 words
3434 points: 0 words
35 points: 1 words
3636 points: 1 words

Word	Scrabble	Words With Friends	Dictionaries
OBJECTIVIZED	36	41	Collins · NWL
OBJECTIVIZES	35	40	Collins · NWL
OBJECTIFYING	30	35	All three
OZONIZATIONS	30	32	All three
OVEREQUIPPED	29	33	All three
OUTJOCKEYING	29	34	Collins · NWL
OXIDIZATIONS	29	30	Collins · NWL
OXYCEPHALIES	29	30	Collins only
OXYCEPHALOUS	29	31	Collins only
OVERANALYZED	28	30	All three
OBJECTIVISMS	28	34	All three
OXYSULPHIDES	28	29	Collins only

The list ranges from everyday words like OCCASIONALLY and OBSERVATIONS to technical terms such as OCEANOGRAPHY and OSTEOPOROSIS. Only 10 entries rank among the most common English words, so many options are specialized or uncommon. Counts include words appearing in at least one tournament dictionary: Collins has 722, NWL2023 has 509, and ENABLE has 419.

Quick facts about O starters

There are 762 tournament-dictionary entries, but just 10 are classed as common.
ORGANIZATION and ORGANISATION both appear, offering a British and an American spelling.
A final S is the leading ending: 317 words finish with that letter.
The average tile score is 18.8 points, before any board bonuses.
OBJECTIVIZED leads the top scores at 36 points.

Which 12-letter words starting with O are familiar?

ORGANIZATION, OCCASIONALLY, OVERWHELMING, and OBSERVATIONS are recognizable starting points. More specialized entries include OCEANOGRAPHY, OSTEOPOROSIS, and OPTIMIZATION, so the list mixes common vocabulary with technical terms.

The endings show a strong plural and verb-form pattern: 317 entries end in S, while 145 end in G and 97 end in D. If your clue fixes the last letter, checking that pattern first narrows the search much faster than scanning every O word.

How do 12-letter words starting with O score?

OBJECTIVIZED scores 36 points, and OBJECTIVIZES follows at 35. Both outscore more familiar choices because their unusual letters carry heavier tile values; OBJECTIFYING and OZONIZATIONS each reach 30 points.

Long words do not automatically make strong plays: a score depends on the letters and the board, not length alone. O starters average 18.8 points, but entries such as ORGANIZATION will usually be easier to recognize than specialist high scorers. Check your game's word list before playing an unfamiliar term; dictionary coverage differs across Collins, NWL2023, and ENABLE.

Questions people ask

How many 12-letter words start with O?

There are 762 tournament-dictionary 12-letter words that start with O. The count includes entries listed in at least one of Collins, NWL2023, or ENABLE, rather than words with no tournament-dictionary source.

What is the highest-scoring 12-letter word starting with O?

OBJECTIVIZED is the highest-scoring O starter here at 36 points. OBJECTIVIZES is next at 35, while OBJECTIFYING and OZONIZATIONS each score 30; your board's premium squares can change the final play total.

Which letter do these O words most often end with?

S is the most frequent ending, with 317 words, well ahead of G at 145 and D at 97. That makes an S ending a strong first filter when a puzzle gives you both the opening O and final letter.

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