13-Letter Words Matching S_____M______

There are 21 13-letter words that match S_____M______. 12 are common words, such as SANCTIMONIOUS and SCHOOLMARMISH. A rarer one is SUPPLEMENTERS. In this set, S is the most frequent open letter (17 words). 8 words contain a doubled letter.

Full list 21

sanctimoniousschoolmarmishschoolmasterssportsmanlikesportsmanshipstatesmanlikestatesmanshipsubcommitteessuperimposingsupplementarysupplementingswordsmanshipsubcommissionsulfonmethaneseismometriesspokesmanshipstichomythiasstichomythiessupereminencesupplementalssupplementers

About this list

Words
21 (12 common words)
Common example
sanctimonious
Rare example
supplementers
Doubled letters
8
Ending in S
8
Most frequent letter
S (17)

Questions

How many 13-letter words matching s_____m______ are there?

21. 12 of them are common words.

What is a common example?

SANCTIMONIOUS is among the common words in this set.