12-Letter Words Matching ____O_A_____

There are 162 12-letter words that match ____O_A_____. 57 are common words, such as APPROBATIONS and ASTRONAUTICS. A rarer one is VACUOLATIONS. In this set, I is the most frequent open letter (141 words). 16 words contain a doubled letter.

Full list 162

Common words

approbationsastronauticsburgomasterscarbonaceouscarbonationscollocationscommonaltiesconnotationsconsolationsconvocationscorporationscyclopaedias
approbationsastronauticsburgomasterscarbonaceouscarbonationscollocationscommonaltiesconnotationsconsolationsconvocationscorporationscyclopaediasdiplomatistsdipsomaniacsdislocationsdisloyaltieselaborationsembrocationsevaporationsexplorationshomeopathieshydrocarbonsmeliorationsmicromanagedmicromanagesmicrowavablenationalismsnationalistsnationalizednationalizesnecromancersnecromanciesorthopaedicsorthopaedistosteopathiespercolationsperforationspersonalizedpersonalizespersonaltiesprerogativesprorogationsprovocationspterodactylsradiocarbonsrationalismsrationalistsrationalizedrationalizesregionalismsrestorationsrestorativessubtotallingsuffocationssyncopationsteetotalismsteetotallersachromatismsachromatizedachromatizesartiodactylschiromancerschiromanciescondonationscosmonauticsdiagonalizeddiagonalizesdiatomaceousdiplocardiachagiolatriesheliolatrieshomeopathisthydnocarpatehydropathieshydropathisticonolatrieslactobacillimeprobamatesmicrobalancemicrocapsulemicromanagernationalizerosteomalaciaphotocathodeprovocateursradiolariansrationalizerrationalnessreprobationsrhizocarpoussacrosanctlysarcomatosisscopolaminessulfonamidestauromachianalcyonariansarchosaurianazotobactersbardolatriescaprolactamscarbonadoingchatoyancieschocolatiersconsonanciescorporatismsdeflorationsdorsolateralenamorationsethionamidesferromagnetsfibrosarcomageobotanicalgeobotanistsglucosamineshebdomadallyheliolatroushydromanciesleprosariumsmacrogametesmicrogametesmicrohabitatmislocationsmyelopathiesmythomaniacsnationalisednationalisesneuropathiesnitrosaminesnonbotanistsosteosarcomaparfocalizedparfocalizespastoralismspastoralistspastoralnesspersonalisedpersonalisespersonalismspersonalistspersonationsphonotacticsphotomappingprerogativedprotomartyrsprotonationsprovocativesradiolabeledrationalisedrationalisesregionalistsregionalizedregionalizessarcomatosessubrogationssubvocalizedsubvocalizessulfonationsteetotaliststeetotallingtemporalizedtemporalizesvacuolations

About this list

Words
162 (57 common words)
Common example
approbations
Rare example
vacuolations
Doubled letters
16
Ending in S
120
Most frequent letter
I (141)

Questions

How many 12-letter words matching ____o_a_____ are there?

162. 57 of them are common words.

What is a common example?

APPROBATIONS is among the common words in this set.