13-Letter Words Matching C__________M_

There are 12 13-letter words that match C__________M_. 4 are common words, such as CHARLATANISMS and COLLECTIVISMS. A rarer one is CRYPTORCHISMS. 4 words contain a doubled letter.

Full list 12

charlatanismscollectivismsconservatismscounterclaimscheckerbloomschromatogramscommensalismschemotaxonomychemotropismschromaticismsconnubialismscryptorchisms

About this list

Words
12 (4 common words)
Common example
charlatanisms
Rare example
cryptorchisms
Doubled letters
4
Ending in S
11

Questions

How many 13-letter words matching c__________m_ are there?

12. 4 of them are common words.

What is a common example?

CHARLATANISMS is among the common words in this set.