11-Letter Words Matching C_____Y____

There are 20 11-letter words that match C_____Y____. 4 are common words, such as CATACLYSMAL and CATACLYSMIC. A rarer one is COUNTRYSEAT. In this set, I is the most frequent open letter (14 words). 3 words contain a doubled letter.

Full list 20

cataclysmalcataclysmicchurchyardscountrysidecallipygeancallipygiancallipygouscarboxylasecarboxylatecerargyritecontrayervacountrywidecyanohydrincarbocyclicchimneylikecockneyfiedcockneyfiescockneyismscountryfiedcountryseat

About this list

Words
20 (4 common words)
Common example
cataclysmal
Rare example
countryseat
Doubled letters
3
Ending in S
4
Most frequent letter
I (14)

Questions

How many 11-letter words matching c_____y____ are there?

20. 4 of them are common words.

What is a common example?

CATACLYSMAL is among the common words in this set.