15-Letter Words Matching ______T__T_____

There are 16 15-letter words that match ______T__T_____. 4 are common words, such as DEMONSTRATIVELY and DISCONTENTMENTS. A rarer one is UNSUBSTANTIALLY. In this set, I is the most frequent open letter (16 words). 3 words contain a doubled letter.

Full list 16

demonstrativelydiscontentmentsinsubstantiallyunsubstantiatedhypopituitarisminterstratifiedinterstratifiesprostatectomiesaccountantshipsbiostatisticianconsultantshipsdemonstrationalorchestrationaloverentertainedremonstrativelyunsubstantially

About this list

Words
16 (4 common words)
Common example
demonstratively
Rare example
unsubstantially
Doubled letters
3
Ending in S
5
Most frequent letter
I (16)

Questions

How many 15-letter words matching ______t__t_____ are there?

16. 4 of them are common words.

What is a common example?

DEMONSTRATIVELY is among the common words in this set.