13-Letter Words Matching ___T________M

There are 13 13-letter words that match ___T________M. 3 are common words, such as POSTMODERNISM and PROTECTIONISM. A rarer one is PLETHYSMOGRAM. 2 words contain a doubled letter.

Full list 13

postmodernismprotectionismventriloquismcontextualismcontrarianismdoctrinairismparticularismprotoactiniumtintinnabulumxanthochroismbestsellerdomphotochromismplethysmogram

About this list

Words
13 (3 common words)
Common example
postmodernism
Rare example
plethysmogram
Doubled letters
2
Ending in S
0

Questions

How many 13-letter words matching ___t________m are there?

13. 3 of them are common words.

What is a common example?

POSTMODERNISM is among the common words in this set.