5-Letter Words Matching M___O

There are 18 5-letter words that match M___O. 10 are common words, such as MACHO and MACRO. A rarer one is MUNGO. In this set, O is the most frequent open letter (6 words). 4 words contain a doubled letter.

Full list 18

machomacromambomangomatzometromezzomicromisdomottomongomucromimeomoltomondomorromossomungo

About this list

Words
18 (10 common words)
Common example
macho
Rare example
mungo
Doubled letters
4
Ending in S
0
Most frequent letter
O (6)

Questions

How many 5-letter words matching m___o are there?

18. 10 of them are common words.

What is a common example?

MACHO is among the common words in this set.