14-Letter Words Matching __T__________M

There are 12 14-letter words that match __T__________M. 1 are common words, such as ANTIQUARIANISM and ANTIMILITARISM. A rarer one is HETEROTHALLISM. In this set, I is the most frequent open letter (12 words). 1 words contain a doubled letter.

Full list 12

antiquarianismantimilitarismmetachromatismnitrobacteriumultramodernismultramontanismantialcoholismanticapitalismantiliberalismantiradicalismheteromorphismheterothallism

About this list

Words
12 (1 common words)
Common example
antiquarianism
Rare example
heterothallism
Doubled letters
1
Ending in S
0
Most frequent letter
I (12)

Questions

How many 14-letter words matching __t__________m are there?

12. 1 of them are common words.

What is a common example?

ANTIQUARIANISM is among the common words in this set.