9-Letter Words Matching R______M_

There are 20 9-letter words that match R______M_. 6 are common words, such as REAFFIRMS and RESTROOMS. A rarer one is RURALISMS. In this set, S is the most frequent open letter (17 words). 3 words contain a doubled letter.

Full list 20

reaffirmsrestroomsrightismsringwormsrowdyismsrubidiumsreinflamerhizotomyracemismsrebeldomsrehoboamsreinformsrenogramsresiduumsrhytidomerigorismsrobotismsrosariumsroyalismsruralisms

About this list

Words
20 (6 common words)
Common example
reaffirms
Rare example
ruralisms
Doubled letters
3
Ending in S
17
Most frequent letter
S (17)

Questions

How many 9-letter words matching r______m_ are there?

20. 6 of them are common words.

What is a common example?

REAFFIRMS is among the common words in this set.