15-Letter Words Matching _______A______M

There are 18 15-letter words that match _______A______M. 3 are common words, such as CONSERVATIONISM and HUMANITARIANISM. A rarer one is FUTILITARIANISM. In this set, I is the most frequent open letter (18 words). 2 words contain a doubled letter.

Full list 18

conservationismhumanitarianismtotalitarianismecclesiasticismepiscopalianismhereditarianismmajoritarianismpresentationismpreservationismsublapsarianismubiquitarianismantiromanticismarchaebacteriumassimilationismcorynebacteriumenterobacteriumequalitarianismfutilitarianism

About this list

Words
18 (3 common words)
Common example
conservationism
Rare example
futilitarianism
Doubled letters
2
Ending in S
0
Most frequent letter
I (18)

Questions

How many 15-letter words matching _______a______m are there?

18. 3 of them are common words.

What is a common example?

CONSERVATIONISM is among the common words in this set.