13-Letter Words Starting with O

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302 Words Found
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Found 302 words in the American English dictionary 13 letters
13-Letter Words Starting with O (302 words)
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Showing 1–200 of 302 words found (Page 1 of 2) matching your search criteria
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objectionable (26 points)
objectionably (29 points)
objectiveness (27 points)
objectivistic (29 points)
objectivities (27 points)
obliquenesses (24 points)
obliterations (15 points)
obliviousness (18 points)
obnoxiousness (22 points)
obnubilations (17 points)
obscurantisms (19 points)
obscurantists (17 points)
obscurenesses (17 points)
observability (23 points)
observational (18 points)
observatories (18 points)
obsessionally (18 points)
obsessiveness (18 points)
obsolescences (19 points)
obsolescently (20 points)
obstetrically (20 points)
obstetricians (17 points)
obstinateness (15 points)
obtainability (20 points)
obtrusiveness (18 points)
obviousnesses (18 points)
occidentalize (27 points)
oceanographer (21 points)
oceanographic (23 points)
oceanologists (16 points)
ochlocratical (22 points)
octodecillion (18 points)
octogenarians (16 points)
octosyllabics (22 points)
octosyllables (20 points)
odontoblastic (18 points)
odontoglossum (17 points)
odoriferously (20 points)
odorousnesses (14 points)
offensiveness (22 points)
offhandedness (24 points)
officeholders (25 points)
officiousness (21 points)
oleandomycins (21 points)
oleomargarine (16 points)
olfactometers (20 points)
oligopolistic (18 points)
ombudsmanship (25 points)
ominousnesses (15 points)
omnicompetent (21 points)
omnipresences (19 points)
oneiromancies (17 points)
onerousnesses (13 points)
ongoingnesses (15 points)
onomastically (20 points)
onomasticians (17 points)
onomatologies (16 points)
onomatologist (16 points)
onomatopoeias (17 points)
onomatopoetic (19 points)
ontologically (19 points)
onychophorans (26 points)
openabilities (17 points)
openheartedly (22 points)
openmouthedly (24 points)
operabilities (17 points)
operationally (18 points)
operationisms (17 points)
operationists (15 points)
operativeness (18 points)
operosenesses (15 points)
ophthalmology (27 points)
opinionatedly (19 points)
opisthobranch (25 points)
opportuneness (17 points)
opportunistic (19 points)
opportunities (17 points)
oppositionist (17 points)
opprobriously (22 points)
optimisations (17 points)
optimizations (26 points)
optionalities (15 points)
oracularities (15 points)
orchestraters (18 points)
orchestrating (19 points)
orchestration (18 points)
orchestrators (18 points)
orderlinesses (14 points)
organisations (14 points)
organizations (23 points)
organogeneses (15 points)
organogenesis (15 points)
organogenetic (17 points)
orgiastically (19 points)
orientalizing (23 points)
orientational (13 points)
orienteerings (14 points)
originalities (14 points)
originatively (20 points)
orismological (18 points)
ornamentation (15 points)
ornithischian (21 points)
ornithologies (17 points)
ornithologist (17 points)
oropharyngeal (22 points)
orthodontists (17 points)
orthoepically (23 points)
orthogonality (20 points)
orthogonalize (26 points)
orthographies (22 points)
orthopterists (18 points)
orthopteroids (19 points)
oscillational (15 points)
oscillographs (21 points)
oscillography (24 points)
oscilloscopes (19 points)
oscilloscopic (21 points)
ossifications (18 points)
osteomalacias (17 points)
osteomyelitis (18 points)
osteoplasties (15 points)
osteosarcomas (17 points)
ototoxicities (22 points)
outbargaining (17 points)
outdelivering (18 points)
outdistancing (17 points)
outgeneraling (15 points)
outglittering (15 points)
outintriguing (15 points)
outmaneuvered (19 points)
outmanipulate (17 points)
outorganizing (24 points)
outperforming (21 points)
outplacements (19 points)
outpoliticked (22 points)
outpopulating (18 points)
outrebounding (17 points)
outreproduced (19 points)
outreproduces (18 points)
outspokenness (19 points)
outstandingly (18 points)
outstretching (19 points)
outwardnesses (17 points)
ovariectomies (20 points)
overabstracts (20 points)
overabundance (21 points)
overachievers (24 points)
overachieving (25 points)
overadvertise (20 points)
overambitious (20 points)
overamplified (24 points)
overanalyzing (29 points)
overanxieties (23 points)
overarranging (18 points)
overasserting (17 points)
overassertion (16 points)
overassertive (19 points)
overattention (16 points)
overbalancing (21 points)
overbearingly (22 points)
overbejeweled (29 points)
overbleaching (24 points)
overborrowing (22 points)
overbreathing (22 points)
overburdening (20 points)
overcautioned (19 points)
overcivilized (31 points)
overcommitted (23 points)
overconcerned (21 points)
overconfident (22 points)
overconscious (20 points)
overconstruct (20 points)
overconsuming (21 points)
overcorrected (21 points)
overcredulous (19 points)
overdecorated (20 points)
overdecorates (19 points)
overdemanding (21 points)
overdependent (20 points)
overdesigning (19 points)
overdeveloped (23 points)
overdirecting (20 points)
overdiscounts (19 points)
overdiversity (23 points)
overdocuments (21 points)
overdominance (21 points)
overdramatize (28 points)
overeagerness (17 points)
overeducating (20 points)
overeducation (19 points)
overelaborate (18 points)
overembellish (23 points)
overemotional (18 points)
overemphasize (32 points)
overencourage (19 points)
overenergetic (19 points)
overengineers (17 points)
overestimated (19 points)
overestimates (18 points)
overexercised (26 points)
Refine to O+: OA OB OC OD OE OF OG OH OI OJ OK OL OM ON OO OP OQ OR OS OT OU OV OW OX OY OZ

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