15-Letter Words Matching _R_______R_____

There are 13 15-letter words that match _R_______R_____. 7 are common words, such as BROKENHEARTEDLY and PREREGISTRATION. A rarer one is TRIFLUOPERAZINE. In this set, T is the most frequent open letter (13 words). 3 words contain a doubled letter.

Full list 13

brokenheartedlypreregistrationproprietorshipstransfigurationtransistorizingtransliteratingtransliterationcrossopterygianproprietoriallyfragmentarinesstransistorisingtriangularitiestrifluoperazine

About this list

Words
13 (7 common words)
Common example
brokenheartedly
Rare example
trifluoperazine
Doubled letters
3
Ending in S
3
Most frequent letter
T (13)

Questions

How many 15-letter words matching _r_______r_____ are there?

13. 7 of them are common words.

What is a common example?

BROKENHEARTEDLY is among the common words in this set.