14-Letter Words Matching _________R_N__

There are 17 14-letter words that match _________R_N__. 5 are common words, such as MANUFACTURINGS and OLEOMARGARINES. A rarer one is PHENYLEPHRINES. In this set, E is the most frequent open letter (16 words). 7 words contain a doubled letter.

Full list 17

manufacturingsoleomargarinesrestructuringsteleconferencewoolgatheringscryptocurrencyequiponderanceinterinsurancenonconcurrenceoptoelectronicsheepshearingscobelligerentsfellmongeringsfictioneeringsgelandesprungsnorethindronesphenylephrines

About this list

Words
17 (5 common words)
Common example
manufacturings
Rare example
phenylephrines
Doubled letters
7
Ending in S
11
Most frequent letter
E (16)

Questions

How many 14-letter words matching _________r_n__ are there?

17. 5 of them are common words.

What is a common example?

MANUFACTURINGS is among the common words in this set.