13-Letter Words Matching A__________M_

There are 19 13-letter words that match A__________M_. 4 are common words, such as ABOLITIONISMS and ADVENTURESOME. A rarer one is APOCALYPTISMS. In this set, I is the most frequent open letter (17 words). 1 words contain a doubled letter.

Full list 19

abolitionismsadventuresomeaestheticismsantisemitismsadenoidectomyaeroembolismsaluminothermyantepenultimaantifeminismsasynchronismsautomorphismsadrenalectomyallomorphismsanecdotalismsanisotropismsantiblackismsantihumanismsantinepotismsapocalyptisms

About this list

Words
19 (4 common words)
Common example
abolitionisms
Rare example
apocalyptisms
Doubled letters
1
Ending in S
14
Most frequent letter
I (17)

Questions

How many 13-letter words matching a__________m_ are there?

19. 4 of them are common words.

What is a common example?

ABOLITIONISMS is among the common words in this set.