15-Letter Words Starting With O
There are 169 15-letter words that start with O. 31 are common words, such as OBJECTIVENESSES and OBLIVIOUSNESSES. A rarer one is OXYPHENBUTAZONE. In this set, E is the most frequent open letter (157 words). 53 words contain a doubled letter.
Common words
objectivenessesobliviousnessesobnoxiousnessesobsessivenessesobstructionismsobstructionistsobstructivenessobtrusivenessesoffensivenessesoffhandednessesofficiousnessesophthalmologies
objectivenessesobliviousnessesobnoxiousnessesobsessivenessesobstructionismsobstructionistsobstructivenessobtrusivenessesoffensivenessesoffhandednessesofficiousnessesophthalmologiesophthalmologistoutspokennessesovercapitalizedovercapitalizesovercompensatedovercompensatesoverconfidencesoveremphasizingoverestimationsovergeneralizedovergeneralizesoverindulgencesoverpopulationsoverproductionsoversimplifyingoverspecializedoverspecializesoverstimulatingoversubscribingobjectificationobjectivizationobservationallyoceanographicalodoriferousnessoligonucleotideoligosaccharideomnidirectionalontogeneticallyophthalmoscopesopisthognathousopportunenessesorganophosphateornithorhynchusorthodonticallyorthopsychiatryosteomyelitidesosteopathicallyoverachievementoverambitiouslyoverbearingnessovercommitmentsovercompetetiveovercomplacencyovercomplicatedoverconsiderateoverdevelopmentoverdramatizingoverfamiliarityoverinfluentialoverpessimisticoverprescribingoverprotectionsoverrefinementsoverrepresentedoversensitivityoverstimulationoxytetracyclineobservabilitiesobstinatenessesobtainabilitiesoccidentalizingoligodendrocyteoligodendrogliaoligomerizationomnicompetencesopenheartednessopenmouthednessoperationalismsoperationalistsoperativenessesophthalmoscopicopinionatednessopprobriousnessoptoelectronicsorchestrationalorganochlorinesorganomercurialorganometallicsorientationallyorthogonalitiesorthogonalizingorthophosphatesoscillographiesosmoregulationsoutdoorsmanshipoutmanipulatingoverabstractingoveraccentuatedoveraccentuatesoveradjustmentsoveradvertisingoverapplicationoverarticulatedoverarticulatesoverassessmentsovercentralizedovercentralizesoverclassifyingovercommunicateovercompliancesovercomplicatesovercompressingoverconfidentlyoverconstructedoverconsumptionovercontrollingovercorrectionsovercultivationoverdecorationsoverdependencesoverdiscountingoverdiversitiesoverdocumentingovereagernessesoverelaboratingoverelaborationoverembellishedoverembellishesoverencouragingoverengineeringoverentertainedoverenthusiasmsoverevaluationsoverexaggeratedoverexaggeratesoverexpectationoverextractionsoverextravagantoverfertilizingoverglamorizingoverhomogenizedoverhomogenizesoveridentifyingoverimaginativeoveringenuitiesoverintensitiesoverinvestmentsoverlengtheningovermedicationsoveropinionatedoverorchestrateoverornamentingoverpersuasionsoverprogrammingoverproportionsoverregulationsoversaturationsoverspeculatingoverspeculationoverstabilitiesoversweetnessesoverutilizationoverwithholdingoverzealousnessovoviviparouslyoxidoreductasesoxyphenbutazone
About this list
- Words
- 169 (31 common words)
- Common example
- objectivenesses
- Rare example
- oxyphenbutazone
- Doubled letters
- 53
- Ending in S
- 80
- Most frequent letter
- E (157)
Related lists
Back to the indexWords of this length.OB15-letter words starting with OBOP15-letter words starting with OPOR15-letter words starting with OROV15-letter words starting with OV15-letter wordsWords of this length.All word listsLengths, starts, and endings.14-letter OWords of this length.Open the finder with this filterSearch by the letters you have.
Questions
How many 15-letter words starting with o are there?
169. 31 of them are common words.
What is a common example?
OBJECTIVENESSES is among the common words in this set.