8-Letter Words Matching ___SM___

There are 18 8-letter words that match ___SM___. 6 are common words, such as GUNSMITH and INASMUCH. A rarer one is PLASMONS. In this set, I is the most frequent open letter (13 words). 1 words contain a doubled letter.

Full list 18

gunsmithinasmuchmessmatemiasmataoutsmarttinsmithacosmismanosmiasplasmidsplasminsprismoidseismismexosmoseoutsmileoutsmokephasmidsplasmoidplasmons

About this list

Words
18 (6 common words)
Common example
gunsmith
Rare example
plasmons
Doubled letters
1
Ending in S
5
Most frequent letter
I (13)

Questions

How many 8-letter words matching ___sm___ are there?

18. 6 of them are common words.

What is a common example?

GUNSMITH is among the common words in this set.