12-Letter Words Matching ______RN____

There are 17 12-letter words that match ______RN____. 8 are common words, such as CALIFORNIUMS and LEATHERNECKS. A rarer one is UNMODERNIZED. In this set, E is the most frequent open letter (16 words). 6 words contain a doubled letter.

Full list 17

californiumsleathernecksnorthernmostreincarnatedreincarnatessouthernmoststubbornnessungovernablebladdernosesconsternatedconsternatesscuppernongsunreturnablelovelornnesssouthernnesssouthernwoodunmodernized

About this list

Words
17 (8 common words)
Common example
californiums
Rare example
unmodernized
Doubled letters
6
Ending in S
9
Most frequent letter
E (16)

Questions

How many 12-letter words matching ______rn____ are there?

17. 8 of them are common words.

What is a common example?

CALIFORNIUMS is among the common words in this set.