15-Letter Words Matching ___O__A________

There are 51 15-letter words that match ___O__A________. 13 are common words, such as COLORFASTNESSES and DECONTAMINATING. A rarer one is UNWORKABILITIES. In this set, I is the most frequent open letter (47 words). 25 words contain a doubled letter.

Full list 51

Common words

colorfastnessesdecontaminatingdecontaminationdemocratizationdemographicallydisorganizationincompatibilityinformativenessnegotiabilitiesreconnaissancesrecontaminatingtopographically
colorfastnessesdecontaminatingdecontaminationdemocratizationdemographicallydisorganizationincompatibilityinformativenessnegotiabilitiesreconnaissancesrecontaminatingtopographicallytypographicallyassociationismsautographicallyautotransformerdinoflagellatesencomiasticallygyrostabilizersholographicallyincomparabilityrecontaminationrenormalizationresocializationsycophanticallyunsociabilitiesxerographicallyabsorbabilitiesaffordabilitiesassociationistsassociativitiesautotransfusioncytoplasmicallydecontaminatorsexportabilitieshemoflagellateshomotransplantshypostatizationideographicallyimmortalizationinformationallyinsociabilitieslogographicallymelodramatisingmelodramatizingmeroblasticallyreformabilitiessecondarinessessuborganizationuncompassionateunworkabilities

About this list

Words
51 (13 common words)
Common example
colorfastnesses
Rare example
unworkabilities
Doubled letters
25
Ending in S
20
Most frequent letter
I (47)

Questions

How many 15-letter words matching ___o__a________ are there?

51. 13 of them are common words.

What is a common example?

COLORFASTNESSES is among the common words in this set.