9-Letter Words Matching ____M___A

There are 22 9-letter words that match ____M___A. 5 are common words, such as CHLAMYDIA and MONOMANIA. A rarer one is SPERMATIA. In this set, A is the most frequent open letter (18 words). 2 words contain a doubled letter.

Full list 22

chlamydiamonomaniaparameciapneumoniapyromaniaartemisiacarambolacatameniacolumellaeclampsiaeudemoniahypomaniaparamattatheomaniaargumentaendamoebaentamoebamatambalaparamentaperimysiaplasmodiaspermatia

About this list

Words
22 (5 common words)
Common example
chlamydia
Rare example
spermatia
Doubled letters
2
Ending in S
0
Most frequent letter
A (18)

Questions

How many 9-letter words matching ____m___a are there?

22. 5 of them are common words.

What is a common example?

CHLAMYDIA is among the common words in this set.