15-Letter Words Matching ________R____N_

There are 44 15-letter words that match ________R____N_. 10 are common words, such as ADMINISTRATIONS and BURGLARPROOFING. A rarer one is UNDERNUTRITIONS. In this set, O is the most frequent open letter (42 words). 10 words contain a doubled letter.

Full list 44

Common words

administrationsburglarproofingconglomerationsdisintegrationsnoncooperationsreconsecrationsrephotographingtransmigrationstransmogrifyingweatherproofingcounterargumentcounterirritant
administrationsburglarproofingconglomerationsdisintegrationsnoncooperationsreconsecrationsrephotographingtransmigrationstransmogrifyingweatherproofingcounterargumentcounterirritantdisembarrassingeconometricianshexachlorophenephosphocreatinephosphoproteinsapolipoproteinscommensurationsconcelebrationscorticotrophinscounterorderingdeconsecrationsdefenestrationshexachlorethanehyperexcretionshypersecretionsneurosecretionsnoncelebrationsoverabstractingoveradvertisingovercompressingovercontrollingoverdecorationsoverprogrammingoversaturationspreponderationsreappropriatingredintegrationsreinvigorationsreregistrationssabermetricianssupernutritionsundernutritions

About this list

Words
44 (10 common words)
Common example
administrations
Rare example
undernutritions
Doubled letters
10
Ending in S
27
Most frequent letter
O (42)

Questions

How many 15-letter words matching ________r____n_ are there?

44. 10 of them are common words.

What is a common example?

ADMINISTRATIONS is among the common words in this set.