7-Letter Words Matching __S___M

There are 17 7-letter words that match __S___M. 4 are common words, such as BOSSISM and FASCISM. A rarer one is SISTRUM. In this set, R is the most frequent open letter (10 words). 5 words contain a doubled letter.

Full list 17

bossismfascismnostrumrostrumcosmismhassiumlustrummisdeemoospermausformbeswarmbossdomdishelmmisformmistermoestrumsistrum

About this list

Words
17 (4 common words)
Common example
bossism
Rare example
sistrum
Doubled letters
5
Ending in S
0
Most frequent letter
R (10)

Questions

How many 7-letter words matching __s___m are there?

17. 4 of them are common words.

What is a common example?

BOSSISM is among the common words in this set.