15-Letter Words Matching C_________N____

There are 19 15-letter words that match C_________N____. 3 are common words, such as CIRCUMFERENTIAL and CONTEMPORANEITY. A rarer one is CRESTFALLENNESS. 11 words contain a doubled letter.

Full list 19

circumferentialcontemporaneitycontemporaneouscomputationallychloramphenicolcoeducationallycoinstantaneouscompunctionlesscongressionallyconjugationallyconjunctionallycounterchangingcounterpointingchondrocraniumschorioallantoicchorioallantoiscompositionallycooperationistscrestfallenness

About this list

Words
19 (3 common words)
Common example
circumferential
Rare example
crestfallenness
Doubled letters
11
Ending in S
7

Questions

How many 15-letter words matching c_________n____ are there?

19. 3 of them are common words.

What is a common example?

CIRCUMFERENTIAL is among the common words in this set.