9-Letter Words Matching ______EM_

There are 21 9-letter words that match ______EM_. 4 are common words, such as ARCHENEMY and BLASPHEME. A rarer one is TREPONEME. In this set, E is the most frequent open letter (17 words). 2 words contain a doubled letter.

Full list 21

archenemyblasphemeblasphemyemphysemaenthymemeexanthemameristemsprotonemasemantemetreponemabluestemsbrunizemscoredeemsexanthemsmilliremsmonotremeoutschemeperiblemspipestemssierozemstreponeme

About this list

Words
21 (4 common words)
Common example
archenemy
Rare example
treponeme
Doubled letters
2
Ending in S
9
Most frequent letter
E (17)

Questions

How many 9-letter words matching ______em_ are there?

21. 4 of them are common words.

What is a common example?

ARCHENEMY is among the common words in this set.