9-Letter Words Matching _M___O___

There are 22 9-letter words that match _M___O___. 3 are common words, such as EMBRYONIC and EMOTIONAL. A rarer one is IMMUNOGEN. In this set, I is the most frequent open letter (18 words). 2 words contain a doubled letter.

Full list 22

embryonicemotionalomnivoresamaurosesamaurosisamblyopiaametropiaamphioxusamyotoniaembryonalamauroticamberoidsamblyopicamelcornsametropicamitrolesammonoidsembosomedembryoidsemulsoidsimbosomedimmunogen

About this list

Words
22 (3 common words)
Common example
embryonic
Rare example
immunogen
Doubled letters
2
Ending in S
10
Most frequent letter
I (18)

Questions

How many 9-letter words matching _m___o___ are there?

22. 3 of them are common words.

What is a common example?

EMBRYONIC is among the common words in this set.