13-Letter Words Matching __RN_________

There are 12 13-letter words that match __RN_________. 4 are common words, such as CARNIVOROUSLY and EARNESTNESSES. A rarer one is VERNALIZATION. In this set, A is the most frequent open letter (11 words). 3 words contain a doubled letter.

Full list 12

carnivorouslyearnestnessespornographerspornographiesherniorrhaphyvernacularismvernacularityvernacularizecornificationgarnetiferoushornswogglingvernalization

About this list

Words
12 (4 common words)
Common example
carnivorously
Rare example
vernalization
Doubled letters
3
Ending in S
4
Most frequent letter
A (11)

Questions

How many 13-letter words matching __rn_________ are there?

12. 4 of them are common words.

What is a common example?

CARNIVOROUSLY is among the common words in this set.