4-Letter Words Matching _R_M

There are 14 4-letter words that match _R_M. 13 are common words, such as ARUM and BRIM. A rarer one is GRUM. In this set, A is the most frequent open letter (6 words). 0 words contain a doubled letter.

Full list 14

arumbrimcramdramdrumfromgramgrimpramprimpromtramtrimgrum

About this list

Words
14 (13 common words)
Common example
arum
Rare example
grum
Doubled letters
0
Ending in S
0
Most frequent letter
A (6)

Questions

How many 4-letter words matching _r_m are there?

14. 13 of them are common words.

What is a common example?

ARUM is among the common words in this set.