7-Letter Words Matching _S_O___

There are 18 7-letter words that match _S_O___. 7 are common words, such as ASSORTS and ASTOUND. A rarer one is TSOORIS. In this set, S is the most frequent open letter (12 words). 4 words contain a doubled letter.

Full list 18

assortsastoundescortsespouseosmosesosmosisosmoticassoilsescolarostosisescotedessoinsosmolalosmolarosmolesosmosedostosestsooris

About this list

Words
18 (7 common words)
Common example
assorts
Rare example
tsooris
Doubled letters
4
Ending in S
10
Most frequent letter
S (12)

Questions

How many 7-letter words matching _s_o___ are there?

18. 7 of them are common words.

What is a common example?

ASSORTS is among the common words in this set.