8-Letter Words Matching ____S_S_

There are 13 8-letter words that match ____S_S_. 9 are common words, such as COARSEST and CRASSEST. A rarer one is COASSIST. In this set, T is the most frequent open letter (10 words). 8 words contain a doubled letter.

Full list 13

coarsestcrassestcrossestgrossesthoarsestobtusestreassesssparsestunwisestclassismclassistbrassishcoassist

About this list

Words
13 (9 common words)
Common example
coarsest
Rare example
coassist
Doubled letters
8
Ending in S
1
Most frequent letter
T (10)

Questions

How many 8-letter words matching ____s_s_ are there?

13. 9 of them are common words.

What is a common example?

COARSEST is among the common words in this set.