10-Letter Words Matching M________M

There are 23 10-letter words that match M________M. 13 are common words, such as MAINSTREAM and MEERSCHAUM. A rarer one is MISPROGRAM. In this set, I is the most frequent open letter (20 words). 4 words contain a doubled letter.

Full list 23

mainstreammeerschaummemorandummetabolismmilitarismmillenniummillstreamminimalismmolybdenummonarchismmonetarismmonotheismmoratoriummeitneriummetamerismmicroseismmiracidiummoniliformmorphinismmyocardiummessianismmicroprismmisprogram

About this list

Words
23 (13 common words)
Common example
mainstream
Rare example
misprogram
Doubled letters
4
Ending in S
0
Most frequent letter
I (20)

Questions

How many 10-letter words matching m________m are there?

23. 13 of them are common words.

What is a common example?

MAINSTREAM is among the common words in this set.