13-Letter Words Matching _________SO__

There are 14 13-letter words that match _________SO__. 4 are common words, such as ADVENTURESOME and ANCHORPERSONS. A rarer one is PREPROCESSORS. 4 words contain a doubled letter.

Full list 14

adventuresomeanchorpersonsspokespersonstransgressorscontrabassoondexamethasonesomatosensorycamerapersonscraftspersonsdispossessorsdraftspersonsgentlepersonsisochromosomepreprocessors

About this list

Words
14 (4 common words)
Common example
adventuresome
Rare example
preprocessors
Doubled letters
4
Ending in S
9

Questions

How many 13-letter words matching _________so__ are there?

14. 4 of them are common words.

What is a common example?

ADVENTURESOME is among the common words in this set.