15-Letter Words Matching ___O___A_______

There are 18 15-letter words that match ___O___A_______. 3 are common words, such as AERODYNAMICALLY and MONOUNSATURATED. A rarer one is VASODILATATIONS. 8 words contain a doubled letter.

Full list 18

aerodynamicallymonounsaturateduncomplaininglyaccountablenessindomitablenessmajoritarianismaccountantshipsaerodynamicistscolonizationistcytomegalovirusendoparasitismshemodynamicallyholometabolismsillogicalnessesintolerablenessmonounsaturatesschoolmasterishvasodilatations

About this list

Words
18 (3 common words)
Common example
aerodynamically
Rare example
vasodilatations
Doubled letters
8
Ending in S
11

Questions

How many 15-letter words matching ___o___a_______ are there?

18. 3 of them are common words.

What is a common example?

AERODYNAMICALLY is among the common words in this set.