13-Letter Words Matching ____C___N____

There are 22 13-letter words that match ____C___N____. 4 are common words, such as INDOCTRINATED and INDOCTRINATES. A rarer one is UNDOCTRINAIRE. In this set, I is the most frequent open letter (21 words). 5 words contain a doubled letter.

Full list 22

indoctrinatedindoctrinatesobjectionableobjectionablyantecedenciesasynchronismsdirectionallydirectionlessindoctrinatorreductionistsaffectionallyaffectionlessanticolonialsbisectionallychalcogenideschurchmanshipmedicamentousmucocutaneouspococurantismreductionismsselectionistsundoctrinaire

About this list

Words
22 (4 common words)
Common example
indoctrinated
Rare example
undoctrinaire
Doubled letters
5
Ending in S
12
Most frequent letter
I (21)

Questions

How many 13-letter words matching ____c___n____ are there?

22. 4 of them are common words.

What is a common example?

INDOCTRINATED is among the common words in this set.