15-Letter Words Matching _______T_A_____

There are 19 15-letter words that match _______T_A_____. 5 are common words, such as ADMINISTRATIONS and EXISTENTIALISMS. A rarer one is SUBSTANTIALNESS. In this set, I is the most frequent open letter (19 words). 2 words contain a doubled letter.

Full list 19

administrationsexistentialismsexistentialistsstraightjacketssubstantiationsexponentiationsineffectualnessrecalcitranciesdefenestrationsdespiritualizeddespiritualizesoverabstractingovercentralizedovercentralizesreregistrationsrespiritualizedrespiritualizessemiabstractionsubstantialness

About this list

Words
19 (5 common words)
Common example
administrations
Rare example
substantialness
Doubled letters
2
Ending in S
14
Most frequent letter
I (19)

Questions

How many 15-letter words matching _______t_a_____ are there?

19. 5 of them are common words.

What is a common example?

ADMINISTRATIONS is among the common words in this set.