8-Letter Words Matching ___S___M

There are 14 8-letter words that match ___S___M. 3 are common words, such as ANGSTROM and CAPSICUM. A rarer one is PLASTRUM. 5 words contain a doubled letter.

Full list 14

angstromcapsicumnewsroomacosmismclassismcrossarmmessroomprosaismseismismzoospermdiestrumgypsydomgypsyismplastrum

About this list

Words
14 (3 common words)
Common example
angstrom
Rare example
plastrum
Doubled letters
5
Ending in S
0

Questions

How many 8-letter words matching ___s___m are there?

14. 3 of them are common words.

What is a common example?

ANGSTROM is among the common words in this set.