15-Letter Words Matching ___________O_A_

There are 41 15-letter words that match ___________O_A_. 6 are common words, such as CONFRONTATIONAL and DISPROPORTIONAL. A rarer one is TRANSPOSITIONAL. In this set, N is the most frequent open letter (41 words). 10 words contain a doubled letter.

Full list 41

Common words

confrontationaldisproportionalimprovisationalnonoccupationalnonprofessionalsubprofessionaladenocarcinomascommunicationalconfigurationalcounterproposalhallucinationalinterrogational
confrontationaldisproportionalimprovisationalnonoccupationalnonprofessionalsubprofessionaladenocarcinomascommunicationalconfigurationalcounterproposalhallucinationalinterrogationaljuxtapositionalmultifunctionalnonconventionalomnidirectionalpreprofessionaltranscriptionalupperclasswomanaccommodationalacculturationalantieducationalantitraditionalcarcinosarcomasdemonstrationaldocumentationalhyperfunctionalinterbehavioralinterdivisionalintrospectionalinvestigationalmiscegenationalmultidivisionalnoninflectionalorchestrationalparticipationalpronunciationalrecombinationalretinoblastomastranspirationaltranspositional

About this list

Words
41 (6 common words)
Common example
confrontational
Rare example
transpositional
Doubled letters
10
Ending in S
3
Most frequent letter
N (41)

Questions

How many 15-letter words matching ___________o_a_ are there?

41. 6 of them are common words.

What is a common example?

CONFRONTATIONAL is among the common words in this set.