14-Letter Words Matching S_____M_______

There are 18 14-letter words that match S_____M_______. 4 are common words, such as SCHOOLMISTRESS and SPORTSMANSHIPS. A rarer one is SUPERIMPOSABLE. In this set, I is the most frequent open letter (15 words). 6 words contain a doubled letter.

Full list 18

schoolmistresssportsmanshipsstatesmanshipsswordsmanshipssplenomegaliessubnormalitiessymptomatologyschoolmasterlyselfsamenessessemicommercialsimplemindedlyspokesmanshipssubcommissionssubcommunitiessuperambitioussupereminencessupereminentlysuperimposable

About this list

Words
18 (4 common words)
Common example
schoolmistress
Rare example
superimposable
Doubled letters
6
Ending in S
12
Most frequent letter
I (15)

Questions

How many 14-letter words matching s_____m_______ are there?

18. 4 of them are common words.

What is a common example?

SCHOOLMISTRESS is among the common words in this set.