13-Letter Words Matching ______T_D____

There are 16 13-letter words that match ______T_D____. 3 are common words, such as CONCEITEDNESS and CONTENTEDNESS. A rarer one is POLYBUTADIENE. In this set, E is the most frequent open letter (16 words). 10 words contain a doubled letter.

Full list 16

conceitednesscontentednessunderstudyingbenightednessconnectednessconsuetudinaldelightednessdistortednessundauntednesscollectednessconcertednessexopeptidasesinterstadialsnucleotidasespervertednesspolybutadiene

About this list

Words
16 (3 common words)
Common example
conceitedness
Rare example
polybutadiene
Doubled letters
10
Ending in S
13
Most frequent letter
E (16)

Questions

How many 13-letter words matching ______t_d____ are there?

16. 3 of them are common words.

What is a common example?

CONCEITEDNESS is among the common words in this set.