10-Letter Words Matching ___S____M_

There are 25 10-letter words that match ___S____M_. 8 are common words, such as CLASSROOMS and CROSSBEAMS. A rarer one is SENSORIUMS. In this set, S is the most frequent open letter (23 words). 10 words contain a doubled letter.

Full list 25

Common words

classroomscrossbeamsecosystemsmausoleumsmidstreamspessimismspresidiumssubsystemsepisiotomyglossotomyguestroomshirsutisms
classroomscrossbeamsecosystemsmausoleumsmidstreamspessimismspresidiumssubsystemsepisiotomyglossotomyguestroomshirsutismshouseroomskissogramspassivismsplasmosomeairstreamsgelsemiumskaiserdomskaiserismsmenstruumsnonsystemsplasmogamypressroomssensoriums

About this list

Words
25 (8 common words)
Common example
classrooms
Rare example
sensoriums
Doubled letters
10
Ending in S
21
Most frequent letter
S (23)

Questions

How many 10-letter words matching ___s____m_ are there?

25. 8 of them are common words.

What is a common example?

CLASSROOMS is among the common words in this set.