11-Letter Words Matching ____T_____M

There are 23 11-letter words that match ____T_____M. 4 are common words, such as BIMETALLISM and CREATIONISM. A rarer one is SCATTERGRAM. 4 words contain a doubled letter.

Full list 23

bimetallismcreationismeinsteiniumpointillismclostridiumelectroformendotheciumendotheliumfrotteurismgametangiummesotheliummesothoriumperitheciumpositroniumrheotropismsomatoplasmspectrogramadoptianismadoptionismcryptarithmelectrogramproctodaeumscattergram

About this list

Words
23 (4 common words)
Common example
bimetallism
Rare example
scattergram
Doubled letters
4
Ending in S
0

Questions

How many 11-letter words matching ____t_____m are there?

23. 4 of them are common words.

What is a common example?

BIMETALLISM is among the common words in this set.