13-Letter Words Matching ______C_S____

There are 14 13-letter words that match ______C_S____. 4 are common words, such as ANTIMACASSARS and CIRCUMCISIONS. A rarer one is PSITTACOSISES. 10 words contain a doubled letter.

Full list 14

antimacassarscircumcisionsnonsuccessivesportscasterssportscastingpreconcessionantirecessionheterocystousnarrowcastingoverfocussingpostrecessionpreprocessingpreprocessorspsittacosises

About this list

Words
14 (4 common words)
Common example
antimacassars
Rare example
psittacosises
Doubled letters
10
Ending in S
6

Questions

How many 13-letter words matching ______c_s____ are there?

14. 4 of them are common words.

What is a common example?

ANTIMACASSARS is among the common words in this set.