10-Letter Words Containing MAM

There are 13 10-letter words that contain MAM. 5 are common words, such as COCKAMAMIE and FIRMAMENTS. A rarer one is MAMMONISTS. In this set, I is the most frequent open letter (10 words). 9 words contain a doubled letter.

Full list 13

cockamamiefirmamentsmammaliansmammogramsrearmamentgrandmammamammillarymammillateformamidesmammitidesmammockingmammonismsmammonists

About this list

Words
13 (5 common words)
Common example
cockamamie
Rare example
mammonists
Doubled letters
9
Ending in S
7
Most frequent letter
I (10)

Questions

How many 10-letter words containing mam are there?

13. 5 of them are common words.

What is a common example?

COCKAMAMIE is among the common words in this set.