9-Letter Words Matching ____T___M

There are 17 9-letter words that match ____T___M. 4 are common words, such as COURTROOM and MIDSTREAM. A rarer one is WHEATWORM. In this set, R is the most frequent open letter (16 words). 3 words contain a doubled letter.

Full list 17

courtroommidstreampracticumstratagemairstreamcapitulumcryptogamcryptonymectothermendothermguestroomheartwormjointwormmenstruumpyrethrumwheatgermwheatworm

About this list

Words
17 (4 common words)
Common example
courtroom
Rare example
wheatworm
Doubled letters
3
Ending in S
0
Most frequent letter
R (16)

Questions

How many 9-letter words matching ____t___m are there?

17. 4 of them are common words.

What is a common example?

COURTROOM is among the common words in this set.