13-Letter Words Matching _____A______M

There are 16 13-letter words that match _____A______M. 5 are common words, such as CHRYSANTHEMUM and NEOCLASSICISM. A rarer one is EPIGRAMMATISM. In this set, I is the most frequent open letter (14 words). 3 words contain a doubled letter.

Full list 16

chrysanthemumneoclassicismsadomasochismtelevangelismvegetarianismannexationismcontrarianismfruitarianismmycobacteriumneoplasticismparamagnetismprotoactiniumscholasticismautoradiogramblepharospasmepigrammatism

About this list

Words
16 (5 common words)
Common example
chrysanthemum
Rare example
epigrammatism
Doubled letters
3
Ending in S
0
Most frequent letter
I (14)

Questions

How many 13-letter words matching _____a______m are there?

16. 5 of them are common words.

What is a common example?

CHRYSANTHEMUM is among the common words in this set.