15-Letter Words Matching ________T____T_

There are 28 15-letter words that match ________T____T_. 5 are common words, such as CONFIDENTIALITY and FUNDAMENTALISTS. A rarer one is SUPERCONTINENTS. In this set, I is the most frequent open letter (25 words). 1 words contain a doubled letter.

Full list 28

Common words

confidentialityfundamentalistshorticulturistssentimentalistsunderstatementsconstructivistsethnocentricityheliocentricityincrementalistsintellectualitypyroelectricityunproportionate
confidentialityfundamentalistshorticulturistssentimentalistsunderstatementsconstructivistsethnocentricityheliocentricityincrementalistsintellectualitypyroelectricityunproportionateanticapitalistsantimilitaristscitriculturistscytogeneticistsdorsiventralitydorsoventralityfloriculturistsinterfraternitymegagametophyteneuroanatomistsnonobjectivistspolyelectrolytesacramentalistssilviculturistssubproletariatssupercontinents

About this list

Words
28 (5 common words)
Common example
confidentiality
Rare example
supercontinents
Doubled letters
1
Ending in S
17
Most frequent letter
I (25)

Questions

How many 15-letter words matching ________t____t_ are there?

28. 5 of them are common words.

What is a common example?

CONFIDENTIALITY is among the common words in this set.