12-Letter Words Matching ____S___M___

There are 15 12-letter words that match ____S___M___. 7 are common words, such as BARNSTORMERS and BARNSTORMING. A rarer one is MISESTEEMING. In this set, T is the most frequent open letter (13 words). 6 words contain a doubled letter.

Full list 15

barnstormersbarnstormingdisesteemingreassessmentreassignmenttransformerstransformingbreastsummerdeutschemarkmonospermousthiosinaminetransformismtranshipmentazoospermiasmisesteeming

About this list

Words
15 (7 common words)
Common example
barnstormers
Rare example
misesteeming
Doubled letters
6
Ending in S
4
Most frequent letter
T (13)

Questions

How many 12-letter words matching ____s___m___ are there?

15. 7 of them are common words.

What is a common example?

BARNSTORMERS is among the common words in this set.