15-Letter Words Matching ____C___O______

There are 14 15-letter words that match ____C___O______. 9 are common words, such as CHANCELLORSHIPS and ENDOCRINOLOGIES. A rarer one is MEGACORPORATION. In this set, N is the most frequent open letter (14 words). 6 words contain a doubled letter.

Full list 14

chancellorshipsendocrinologiesendocrinologistimpecuniousnesspostconsonantalreincorporatingreincorporationtreacherousnessunaccommodatingefficaciousnessautochthonouslycouncillorshipsimpecuniositiesmegacorporation

About this list

Words
14 (9 common words)
Common example
chancellorships
Rare example
megacorporation
Doubled letters
6
Ending in S
7
Most frequent letter
N (14)

Questions

How many 15-letter words matching ____c___o______ are there?

14. 9 of them are common words.

What is a common example?

CHANCELLORSHIPS is among the common words in this set.