15-Letter Words That Start With: O
There are 239 15-letter words,
148 15-letter phrases and
0 15-letter abbr's that start with
O.
Best Scoring
| Rank | Word | Save? | Length | Usage | Points | Type | |
|---|---|---|---|---|---|---|---|
| 1 | oxyphenbutazone | 15 | 41 | noun, adjectiven, adj | |||
| 2 | overemphasizing | 15 | 35 | verbv | |||
| 3 | overhomogenized | 15 | 34 | adjectiveadj | |||
| 4 | oophorectomized | 15 | 34 | verb, adjectivev, adj | |||
| 5 | overhomogenizes | 15 | 33 | verbv | |||
| 6 | oxyhaemoglobins | 15 | 33 | nounn | |||
| 7 | oophorectomizes | 15 | 33 | ||||
| 8 | overspecialized | 15 | 32 | adjectiveadj | |||
| 9 | oxytetracycline | 15 | 32 | noun, adjectiven, adj | |||
| 10 | overcapitalized | 15 | 32 | adjectiveadj | |||
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All 15 Letter Words
Words (239)
ophthalmologist26overzealousness27oversimplifying29overstimulating21objectification31omnidirectional20overstimulation20overspecialized32overdramatizing31oxytetracycline32overarticulated21overarticulates20overconsumption24overassessments20overcontrolling21overextravagant29odoriferousness19osmoregulations18overhomogenizes33overrefinements23overrepresented21obstructiveness22obtainabilities19overindulgences22overdecorations21outmanipulating20orthogonalizing29orthophosphates28orchestrational20overglamorizing31overeagernesses19oligomerization27obliviousnesses20occidentalizing30overlengthening23overclassifying27overembellished26overembellishes25overaccentuates22overemphasizing35openheartedness21overadjustments28openmouthedness23overenthusiasms23overevaluations21overexaggerates27operationalists17overcomplicated27overcomplicates26overspeculation22oceanographical25observabilities22overcompressing25operativenesses20overconfidences26overconfidently27overexpectation29observationally23overproportions22overconstructed23overprotections22overstabilities20obsessivenesses20overmedications23oxidoreductases26overextractions27optoelectronics21organophosphate26ontogenetically21overhomogenized34oxyphenbutazone41obstinatenesses17overfertilizing31overcultivation23overregulations19omnicompetences25outspokennesses21organochlorines21obstructionisms21obstructionists19ophthalmologies26overidentifying26overimaginative24ophthalmoscopes29ophthalmoscopic31overdependences24organomercurial20orthodontically24organometallics20overopinionated21opinionatedness18overdevelopment26overingenuities19overachievement28overorchestrate23oversubscribing25overwithholding29objectivenesses29overintensities18overornamenting21overdiscounting22overinvestments23overdiversities22overdocumenting24orthogonalities19obtrusivenesses20overutilization27oversaturations18oversweetnesses21osteomyelitises20osteopathically25offensivenesses24overgeneralized29overgeneralizes28orientationally18offhandednesses26oligodendrocyte23oligodendroglia19overcapitalized32oligonucleotide19overcapitalizes31oversensitivity24opportunenesses19overpersuasions20oligosaccharide24outdoorsmanship23orthopsychiatry31ovoviviparously29overcentralized30officiousnesses23overcentralizes29opprobriousness21overfamiliarity26obnoxiousnesses24overelaborating21overelaboration20overpopulations22overaccentuated23overencouraging22overprescribing25oscillographies23overengineering20overadvertising23overentertained19overestimations20overcommitments26overexaggerated28overcommunicate26overcompensated25overcompensates24operationalisms19overapplication24overproductions23overspecializes31overcompliances26overprogramming26overspeculating23ophioglossaceaeoverhastinesses21objectivizationorycteropodidaeodontorhynchous27odontostomatous18ochlocratically27ophthalmoplegia28overcorrections22opisthobranchiaoverhomogenised25overhomogenises24opisthognathous24opisthorchiasisovercredulities21overmultiplying26overfertilising22overmultituding22onychocryptoses30omnibenevolence24onychocryptosis30overweeningness22obstructionally22omnifariousness20oraculousnesses17ophthalmometers27oxyhaemoglobins33ophthalmophobia32organographical24oppositionalityorganographists22orthochromatism27overflourishing25over-embellishedostensibilities17organotherapies21osteoarthritics20oesophagoscopes25overforwardness25osteomyelitidesopisthognathism26oestrogenically21omoplatoscopies23opisthographies26orthogonalising20overbearingness21overutilisation18overabstractingoctocentenaries19oophorectomised25overdramatising22oophorectomises24oophorectomized34oophorectomizes33overgeneralised20overgeneralises19orthophosphoric30oncogeneticists20overcapitalised23overcapitalises22orchesographies26ornithorhynchus29ovoviviparities26overglamorising22overcentralised21oligocythaemias26overcentralises20occasionalities19oligomerisation18occidentalising21oneirocriticism21occlusivenesses22opsonifications22ostreiculturist17overemphasising26overpreparation22ornithodelphian24ornithodelphous24optimalisations19overspecialised23overspecialises22optimalizations28Phrases (148)
outside marriageorycteropus aferorder of businessocimum basilicumorder orthopteraon a regular basisold world buffalooctanedioic acidorder plecopteraorder alcyonariaorder rajiformesorder rhoeadalesorder sapindalesorder scandentiaosmotic pressureorder chiropteraovibos moschatusorder testudinesoligochaete wormorder crocodiliaorder crocodyliaorder volvocalesoliver goldsmithoral examinationokefenokee swamporder gruiformesoperating systemorthodox judaismorange marmaladeoperational cellorder lagomorphaorgan transplantoxidation numberobject of the verborganic compoundorganic disorderorder monilialesocellated turkeyorder neuropteraophrys musciferaorder notostracaophrys sphegodesorganization manorbital rotationoffice furnitureorder opuntialesorder orchidalesoffice of the deadotto von bismarckorder pandanalesoxylebius pictusorder parietalesorchestral bellsoxynervonic acidoblique triangleorder pediculatios tarsi fibulareorder phalangidaold world vultureold world warblerorder piciformesold-age insuranceold-age pensioneroriental studiesopportunity costoven thermometerorder primulalesoculomotor nerveorder actiniariaoriganum vulgareogalala languageorder psilotalesozark chinquapinorder agaricalesorder psocopteraorder radiolariaobservation domeobservation postorder rheiformesodd-toed ungulateorder santalalesoverthrust faultohmic resistanceorder saurischiaoncidium papilioorlande de lassusorder secotialesosmunda clatoniaorder branchiuraoil conservationoptical illusionorder sphagnalesobstetrical toadone after anotheroil of turpentineolfersia cervinaone hundred fiftyorder coleopteraorder collembolaodontoid processone hundred fortyorder therapsidaone hundred sixtyorder umbellalesorder uredinalesorder cydippideaorder dermapteraorder dermopteraoverdraft creditorder dicranalesorder zygnemalesorder dinocerataovulation methodorder embiopteraorderly sergeantoenanthe crocataorder ephemeridaolive-tree agaricojibway languageordinary annuityordinary bicycleoliver ellsworthorder eurotialesokapia johnstonioliver heavisideoccipital cortexoral personalityorder gadiformesokinawa campaignorder geranialesorder ginkgoalesoperating budgetorder graminalesorange free stateorder helotialesoregon crab appleoxalis pes-capraeoxaloacetic acidone-thirty-secondorder hyracoideaold church slavicorder insessoresoverhead railwayone-way light timeomega-3 fatty acidomega-6 fatty acidorder lichenalesorder mallophaga
