12-Letter Words Matching S________M__

There are 18 12-letter words that match S________M__. 4 are common words, such as SCHUSSBOOMER and SERVICEWOMAN. A rarer one is SYNAPTOSOMES. In this set, O is the most frequent open letter (15 words). 2 words contain a doubled letter.

Full list 18

schussboomerservicewomanservicewomensledgehammerschistosomesschizothymiasclerodermasstereoisomersarcoplasmicschistosomalscyphistomaescyphistomassextodecimosslipstreamedstenothermalsubepidermalsynaptosomalsynaptosomes

About this list

Words
18 (4 common words)
Common example
schussboomer
Rare example
synaptosomes
Doubled letters
2
Ending in S
5
Most frequent letter
O (15)

Questions

How many 12-letter words matching s________m__ are there?

18. 4 of them are common words.

What is a common example?

SCHUSSBOOMER is among the common words in this set.