7-Letter Words Matching ____N_M

There are 20 7-letter words that match ____N_M. 7 are common words, such as ACRONYM and ANTONYM. A rarer one is ULPANIM. 2 words contain a doubled letter.

Full list 20

acronymantonymenvenomhomonymjejunumsternumsynonymallonymarcanumladanummeronymmetonymparonymsolanumstannumtoponymfraenumhazanimorganumulpanim

About this list

Words
20 (7 common words)
Common example
acronym
Rare example
ulpanim
Doubled letters
2
Ending in S
0

Questions

How many 7-letter words matching ____n_m are there?

20. 7 of them are common words.

What is a common example?

ACRONYM is among the common words in this set.