15-Letter Words Matching C_____________T

There are 12 15-letter words that match C_____________T. 2 are common words, such as CONSERVATIONIST and CONSTRUCTIONIST. A rarer one is CRYPTOZOOLOGIST. In this set, O is the most frequent open letter (12 words). 3 words contain a doubled letter.

Full list 12

conservationistconstructionistconventionalistcounterargumentcounterclaimantcounterirritantchemotaxonomistchronobiologistcolonizationistconfessionalistcountermovementcryptozoologist

About this list

Words
12 (2 common words)
Common example
conservationist
Rare example
cryptozoologist
Doubled letters
3
Ending in S
0
Most frequent letter
O (12)

Questions

How many 15-letter words matching c_____________t are there?

12. 2 of them are common words.

What is a common example?

CONSERVATIONIST is among the common words in this set.