13-Letter Words Starting with O
We found 305 13-letter words starting with O. Common examples are OBJECTIONABLE, OCEANOGRAPHIC, OPPORTUNITIES, ORCHESTRATING. Bold words are common everyday words; the number shows Scrabble points.
305words
OVEREMPHASIZEtop score (32 pts)
OBJECTIONABLEcommon word
13-letter words (305)
- objectionable26
- oceanographic23
- opportunities17
- orchestrating19
- organizations23
- overestimated19
- overqualified29
- oversensitive19
- objectionably29
- objectiveness27
- objectivistic29
- objectivities27
- obliquenesses24
- obliterations15
- obliviousness18
- obnoxiousness22
- obnubilations17
- obscurantisms19
- obscurantists17
- obscurenesses17
- observability23
- observational18
- observatories18
- obsessionally18
- obsessiveness18
- obsolescences19
- obsolescently20
- obstetrically20
- obstetricians17
- obstinateness15
- obstructively23
- obtainability20
- obtrusiveness18
- obviousnesses18
- occidentalize27
- oceanographer21
- oceanologists16
- ochlocratical22
- octodecillion18
- octogenarians16
- octosyllabics22
- octosyllables20
- odontoblastic18
- odontoglossum17
- odoriferously20
- odorousnesses14
- offensiveness22
- offhandedness24
- officeholders25
- officiousness21
- oleandomycins21
- oleomargarine16
- olfactometers20
- oligopolistic18
- ombudsmanship25
- ominousnesses15
- omnicompetent21
- omnipresences19
- oneiromancies17
- onerousnesses13
- ongoingnesses15
- onomastically20
- onomasticians17
- onomatologies16
- onomatologist16
- onomatopoeias17
- onomatopoetic19
- ontologically19
- onychophorans26
- openabilities17
- openheartedly22
- openmouthedly24
- operabilities17
- operationally18
- operationisms17
- operationists15
- operativeness18
- operosenesses15
- ophthalmology27
- opinionatedly19
- opisthobranch25
- opportuneness17
- opportunistic19
- oppositionist17
- opprobriously22
- optimisations17
- optimizations26
- optionalities15
- oracularities15
- orchestraters18
- orchestration18
- orchestrators18
- orderlinesses14
- organisations14
- organogeneses15
- organogenesis15
- organogenetic17
- orgiastically19
- orientalizing23
- orientational13
- orienteerings14
- originalities14
- originatively20
- orismological18
- ornamentation15
- ornithischian21
- ornithologies17
- ornithologist17
- oropharyngeal22
- orthodontists17
- orthoepically23
- orthogonality20
- orthogonalize26
- orthographies22
- orthopterists18
- orthopteroids19
- oscillational15
- oscillographs21
- oscillography24
- oscilloscopes19
- oscilloscopic21
- ossifications18
- osteomalacias17
- osteomyelitis18
- osteoplasties15
- osteosarcomas17
- ototoxicities22
- outbargaining17
- outdelivering18
- outdistancing17
- outgeneraling15
- outglittering15
- outintriguing15
- outmaneuvered19
- outmanipulate17
- outorganizing24
- outperforming21
- outplacements19
- outpoliticked22
- outpopulating18
- outrebounding17
- outreproduced19
- outreproduces18
- outspokenness19
- outstandingly18
- outstretching19
- outwardnesses17
- ovariectomies20
- overabstracts20
- overabundance21
- overachievers24
- overachieving25
- overadvertise20
- overambitious20
- overamplified24
- overanalyzing29
- overanxieties23
- overarranging18
- overasserting17
- overassertion16
- overassertive19
- overattention16
- overbalancing21
- overbearingly22
- overbejeweled29
- overbleaching24
- overborrowing22
- overbreathing22
- overburdening20
- overcautioned19
- overcivilized31
- overcommitted23
- overconcerned21
- overconfident22
- overconscious20
- overconstruct20
- overconsuming21
- overcorrected21
- overcredulous19
- overdecorated20
- overdecorates19
- overdemanding21
- overdependent20
- overdesigning19
- overdeveloped23
- overdirecting20
- overdiscounts19
- overdiversity23
- overdocuments21
- overdominance21
- overdramatize28
- overeagerness17
- overeducating20
- overeducation19
- overelaborate18
- overembellish23
- overemotional18
- overemphasize32
- overencourage19
- overenergetic19
- overengineers17
- overestimates18
- overexercised26
- overexercises25
- overexertions23
- overexpanding27
- overexpansion25
- overexplained26
- overexploited26
- overexposures25
- overextending25
- overextension23
- overexuberant25
- overfertilize28
- overfocussing22
- overfulfilled23
- overglamorize28
- overgoverning21
- overharvested23
- overidealized27
- overidealizes26
- overimpressed21
- overimpresses20
- overindulgent18
- overindulging19
- overinflating20
- overinflation19
- overinforming22
- overingenious17
- overingenuity20
- overinsistent16
- overintensity19
- overissuances18
- overlengthens20
- overlordships22
- overmastering19
- overmedicated22
- overmedicates21
- overmodulated20
- overnourished20
- overnourishes19
- overnutrition16
- overoperating19
- overoptimisms22
- overoptimists20
- overorganized27
- overorganizes26
- overornaments18
- overpackaging26
- overpedalling20
- overpersuaded20
- overpersuades19
- overpopulated21
- overpopulates20
- overprescribe22
- overpressures18
- overprocessed21
- overprocesses20
- overproducing22
- overprogramed22
- overpromising21
- overpromoting21
- overprotected21
- overreactions18
- overregulated18
- overregulates17
- overreliances18
- overreporting19
- overresponded20
- oversaturated17
- oversaturates16
- oversecretion18
- overseriously19
- overservicing22
- overshadowing24
- overslaughing21
- overspeculate20
- overspreading20
- overstability21
- overstatement18
- overstimulate18
- overstraining17
- overstressing17
- overstretched22
- overstretches21
- oversubscribe22
- oversupplying24
- oversweetened20
- oversweetness19
- overtalkative23
- overtaxations23
- overtightened21
- overtreatment18
- overutilizing26
- overvaluation19
- overweeningly23
- overweighting24
- overwintering20
- overwithholds26
- overzealously28
- ovipositional18
- ovoviviparous24
- oxaloacetates22
- oxyhemoglobin31
- oystercatcher23
Related word lists
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Frequently asked questions
How many 13-letter words starting with O are there?
There are 305 13-letter words starting with O in our word list, for example OBJECTIONABLE.
What is the highest scoring 13-letter word starting with o in Scrabble?
OVEREMPHASIZE scores 32 points in Scrabble (before bonus squares) and 34 points in Words With Friends.