11-Letter Words Matching _____T___M_

There are 13 11-letter words that match _____T___M_. 4 are common words, such as MAINSTREAMS and MILLSTREAMS. A rarer one is SYNAPTOSOME. In this set, E is the most frequent open letter (13 words). 1 words contain a doubled letter.

Full list 13

mainstreamsmillstreamspromethiumsslipstreamsapophthegmscleistogamyradiothermyschistosomeheadstreamshomeothermshomeothermystenothermssynaptosome

About this list

Words
13 (4 common words)
Common example
mainstreams
Rare example
synaptosome
Doubled letters
1
Ending in S
8
Most frequent letter
E (13)

Questions

How many 11-letter words matching _____t___m_ are there?

13. 4 of them are common words.

What is a common example?

MAINSTREAMS is among the common words in this set.