15-Letter Words Matching _____T____N____

There are 16 15-letter words that match _____T____N____. 5 are common words, such as EGALITARIANISMS and INSTITUTIONALLY. A rarer one is PROLETARIANIZES. In this set, I is the most frequent open letter (16 words). 4 words contain a doubled letter.

Full list 16

egalitarianismsinstitutionallynoninterventionnotwithstandingutilitarianismscomputationallycoinstantaneousgravitationallylibertarianismsprointerventiontrinitrobenzeneorientationallyproletarianisedproletarianisesproletarianizedproletarianizes

About this list

Words
16 (5 common words)
Common example
egalitarianisms
Rare example
proletarianizes
Doubled letters
4
Ending in S
6
Most frequent letter
I (16)

Questions

How many 15-letter words matching _____t____n____ are there?

16. 5 of them are common words.

What is a common example?

EGALITARIANISMS is among the common words in this set.