4-Letter Words Matching M_T_

There are 18 4-letter words that match M_T_. 13 are common words, such as MATE and MATH. A rarer one is MOTT. In this set, E is the most frequent open letter (7 words). 4 words contain a doubled letter.

Full list 18

matemathmatsmattmetemitemittmotemothmotsmutemuttmythmethmutsmetamitymott

About this list

Words
18 (13 common words)
Common example
mate
Rare example
mott
Doubled letters
4
Ending in S
3
Most frequent letter
E (7)

Questions

How many 4-letter words matching m_t_ are there?

18. 13 of them are common words.

What is a common example?

MATE is among the common words in this set.