15-Letter Words Matching ____AM_________

There are 19 15-letter words that match ____AM_________. 5 are common words, such as FUNDAMENTALISMS and FUNDAMENTALISTS. A rarer one is ULTRAMONTANISMS. 4 words contain a doubled letter.

Full list 19

fundamentalismsfundamentalistsmethamphetaminesqueamishnessesungrammaticallyinflammablenessintramuscularlyoverambitiouslyultramicrometerultramicroscopedeglamorizationsacramentalismssacramentalistssomnambulationstetramethylleadultramarathonerultramicrotomesultramodernistsultramontanisms

About this list

Words
19 (5 common words)
Common example
fundamentalisms
Rare example
ultramontanisms
Doubled letters
4
Ending in S
10

Questions

How many 15-letter words matching ____am_________ are there?

19. 5 of them are common words.

What is a common example?

FUNDAMENTALISMS is among the common words in this set.