15-Letter Words Matching ____OA_________

There are 15 15-letter words that match ____OA_________. 2 are common words, such as MICROAGGRESSION and RADIOACTIVITIES. A rarer one is RETROACTIVITIES. In this set, R is the most frequent open letter (15 words). 5 words contain a doubled letter.

Full list 15

microaggressionradioactivitiesapproachabilityreproachfulnesschemoautotrophymacroaggregatedmacroaggregatesmicroanalyticalmicroanatomicalneuroanatomicalneuroanatomistsphotoautotrophsradioautographsradioautographyretroactivities

About this list

Words
15 (2 common words)
Common example
microaggression
Rare example
retroactivities
Doubled letters
5
Ending in S
7
Most frequent letter
R (15)

Questions

How many 15-letter words matching ____oa_________ are there?

15. 2 of them are common words.

What is a common example?

MICROAGGRESSION is among the common words in this set.