12-Letter Words Matching C_____H_____

There are 21 12-letter words that match C_____H_____. 7 are common words, such as CALISTHENICS and CATCHPHRASES. A rarer one is CTENOPHORANS. In this set, O is the most frequent open letter (18 words). 3 words contain a doubled letter.

Full list 21

calisthenicscatchphraseschemotherapycoffeehousescomprehendedcrosscheckedcustomhousescarpophagouschlorohydrincoprophagouscoprophilouscrymotherapycyclothymiascandleholderchimichangascladophyllumcoprophagiescoprophiliaccoprophiliascosmochemistctenophorans

About this list

Words
21 (7 common words)
Common example
calisthenics
Rare example
ctenophorans
Doubled letters
3
Ending in S
12
Most frequent letter
O (18)

Questions

How many 12-letter words matching c_____h_____ are there?

21. 7 of them are common words.

What is a common example?

CALISTHENICS is among the common words in this set.