9-Letter Words Matching R_______M

There are 18 9-letter words that match R_______M. 8 are common words, such as RACIALISM and RADIOGRAM. A rarer one is REPTILIUM. In this set, I is the most frequent open letter (14 words). 2 words contain a doubled letter.

Full list 18

racialismradiogramrainstormreconfirmreprogramritualismroundwormrutheniumrabbinismrebaptismreformismresponsumreticulumrhinariumrhizobiumrhotacismrostellumreptilium

About this list

Words
18 (8 common words)
Common example
racialism
Rare example
reptilium
Doubled letters
2
Ending in S
0
Most frequent letter
I (14)

Questions

How many 9-letter words matching r_______m are there?

18. 8 of them are common words.

What is a common example?

RACIALISM is among the common words in this set.