15-Letter Words Matching _________O_A___

There are 32 15-letter words that match _________O_A___. 10 are common words, such as BIDIRECTIONALLY and INSTITUTIONALLY. A rarer one is UNTRADITIONALLY. In this set, T is the most frequent open letter (31 words). 21 words contain a doubled letter.

Full list 32

Common words

bidirectionallyinstitutionallyinternationallyprepositionallyunconditionallyunexceptionableunexceptionablyunexceptionallyunintentionallyunobjectionablecomputationallycoeducationally
bidirectionallyinstitutionallyinternationallyprepositionallyunconditionallyunexceptionableunexceptionablyunexceptionallyunintentionallyunobjectionablecomputationallycoeducationallycongressionallyconjugationallyconjunctionallydysfunctionallygravitationallyheterochromaticheterochromatininspirationallyinterpersonallylymphadenopathyobservationallyantifashionablecephalothoracescephalothoraxescompositionallyinformationallylignosulfonatesorientationallyoveropinionateduntraditionally

About this list

Words
32 (10 common words)
Common example
bidirectionally
Rare example
untraditionally
Doubled letters
21
Ending in S
3
Most frequent letter
T (31)

Questions

How many 15-letter words matching _________o_a___ are there?

32. 10 of them are common words.

What is a common example?

BIDIRECTIONALLY is among the common words in this set.