15-Letter Words Matching ___A_O_________

There are 17 15-letter words that match ___A_O_________. 1 are common words, such as PREADOLESCENCES and OCEANOGRAPHICAL. A rarer one is UNFAVORABLENESS. In this set, R is the most frequent open letter (17 words). 4 words contain a doubled letter.

Full list 17

preadolescencesoceanographicalorganophosphatehematoporphyrinmegacorporationmetamorphicallyorganochlorinesorganomercurialorganometallicsparadoxicalnessparajournalismsparanormalitiespararosanilinesrevalorizationsstratovolcanoesteratocarcinomaunfavorableness

About this list

Words
17 (1 common words)
Common example
preadolescences
Rare example
unfavorableness
Doubled letters
4
Ending in S
10
Most frequent letter
R (17)

Questions

How many 15-letter words matching ___a_o_________ are there?

17. 1 of them are common words.

What is a common example?

PREADOLESCENCES is among the common words in this set.