15-Letter Words Matching _____C______N__

There are 14 15-letter words that match _____C______N__. 3 are common words, such as BACKSCRATCHINGS and DISENCHANTMENTS. A rarer one is VIDEOCONFERENCE. In this set, I is the most frequent open letter (14 words). 3 words contain a doubled letter.

Full list 14

backscratchingsdisenchantmentsnonoccupationalcorticosteroneshallucinationalhydrocortisonestranscriptionalbackscatteringscholecystokininnonrecombinantsparticipationalsupercontinentsthyrocalcitoninvideoconference

About this list

Words
14 (3 common words)
Common example
backscratchings
Rare example
videoconference
Doubled letters
3
Ending in S
7
Most frequent letter
I (14)

Questions

How many 15-letter words matching _____c______n__ are there?

14. 3 of them are common words.

What is a common example?

BACKSCRATCHINGS is among the common words in this set.