13-Letter Words Matching ____M____O___

There are 13 13-letter words that match ____M____O___. 6 are common words, such as ASSEMBLYWOMAN and ASSEMBLYWOMEN. A rarer one is SPERMATOZOANS. In this set, E is the most frequent open letter (12 words). 2 words contain a doubled letter.

Full list 13

assemblywomanassemblywomenmetamorphosedmetamorphosesmetamorphosispharmacopoeiaendometriosesendometriosispharmacologicspermatozoidsantimetabolicspermatogoniaspermatozoans

About this list

Words
13 (6 common words)
Common example
assemblywoman
Rare example
spermatozoans
Doubled letters
2
Ending in S
6
Most frequent letter
E (12)

Questions

How many 13-letter words matching ____m____o___ are there?

13. 6 of them are common words.

What is a common example?

ASSEMBLYWOMAN is among the common words in this set.