12-Letter Words Matching C_________M_

There are 25 12-letter words that match C_________M_. 10 are common words, such as CALIFORNIUMS and CANDELABRUMS. A rarer one is CYPRIPEDIUMS. In this set, S is the most frequent open letter (22 words). 3 words contain a doubled letter.

Full list 25

Common words

californiumscandelabrumscannibalismscarborundumsclericalismscolonialismscondominiumsconsumerismscreationismscrematoriumscabbagewormschlorenchyma
californiumscandelabrumscannibalismscarborundumsclericalismscolonialismscondominiumsconsumerismscreationismscrematoriumscabbagewormschlorenchymachondriosomeclostridiumscounterstampcytotaxonomycaprolactamscavalierismsclitorectomycologarithmscommunalismscomputerdomscorporatismscryptarithmscypripediums

About this list

Words
25 (10 common words)
Common example
californiums
Rare example
cypripediums
Doubled letters
3
Ending in S
20
Most frequent letter
S (22)

Questions

How many 12-letter words matching c_________m_ are there?

25. 10 of them are common words.

What is a common example?

CALIFORNIUMS is among the common words in this set.