13-Letter Words Matching T____T_______

There are 20 13-letter words that match T____T_______. 7 are common words, such as TALKATIVENESS and TENTATIVENESS. A rarer one is TRIMETHOPRIMS. 9 words contain a doubled letter.

Full list 20

talkativenesstentativenessthirstinessesthreateninglythriftinessesthroatinessestraditionallyterritoriallytetartohedralthanatologisttraditionlesstrilaterationteleutosporesthanatologiesthroatlatchesthrottleholdsthyrotrophinstransthoracictriliteralismtrimethoprims

About this list

Words
20 (7 common words)
Common example
talkativeness
Rare example
trimethoprims
Doubled letters
9
Ending in S
12

Questions

How many 13-letter words matching t____t_______ are there?

20. 7 of them are common words.

What is a common example?

TALKATIVENESS is among the common words in this set.