12-Letter Words Matching ______R__N__

There are 52 12-letter words that match ______R__N__. 26 are common words, such as CASEHARDENED and CHITTERLINGS. A rarer one is ZWITTERIONIC. In this set, E is the most frequent open letter (47 words). 13 words contain a doubled letter.

Full list 52

Common words

casehardenedchitterlingscountermandscounterpanescountersinkscountertenordisheartenedempowermentsequestrienneinadvertenceinexperiencemaidservants
casehardenedchitterlingscountermandscounterpanescountersinkscountertenordisheartenedempowermentsequestrienneinadvertenceinexperiencemaidservantsoutsourcingsoverburdenedphilharmonicquarterfinalredeterminedredeterminessilkscreenedtimeservingsundergroundsundeterminedunrestrainedwindsurfingswoodcarvingswoodworkingsaddlebrainedcounterminedcounterminescounterpunchcrackbrainedinadvertencyincongruenceinobservancenonemergencyoverstrainedpedestrianlyreexperiencereoccurrencescuppernongssuperorganicunimportanceunrestraintsantiheroinesleukotrienesmonoterpenesovergarmentspilocarpinesplatyrrhinespreemergencespessartineszwitterionic

About this list

Words
52 (26 common words)
Common example
casehardened
Rare example
zwitterionic
Doubled letters
13
Ending in S
23
Most frequent letter
E (47)

Questions

How many 12-letter words matching ______r__n__ are there?

52. 26 of them are common words.

What is a common example?

CASEHARDENED is among the common words in this set.