10-Letter Words Matching _____E__M_

There are 20 10-letter words that match _____E__M_. 9 are common words, such as ANTISERUMS and ARBORETUMS. A rarer one is UNFREEDOMS. In this set, S is the most frequent open letter (16 words). 8 words contain a doubled letter.

Full list 20

antiserumsarboretumsblithesomebubblegumsmeddlesomemettlesomenettlesomepantheismsprincedomsbeforetimecuddlesomeeighteenmohypozeugmaoctodecimobunglesomeequisetumshippiedomsmisoneismstritheismsunfreedoms

About this list

Words
20 (9 common words)
Common example
antiserums
Rare example
unfreedoms
Doubled letters
8
Ending in S
10
Most frequent letter
S (16)

Questions

How many 10-letter words matching _____e__m_ are there?

20. 9 of them are common words.

What is a common example?

ANTISERUMS is among the common words in this set.