13-Letter Words Matching _____D_T_____

There are 17 13-letter words that match _____D_T_____. 6 are common words, such as ACCREDITATION and PREMEDITATING. A rarer one is TETRODOTOXINS. In this set, I is the most frequent open letter (16 words). 3 words contain a doubled letter.

Full list 17

accreditationpremeditatingpremeditationreconditionedunconditionalunconditionedpremeditativereconditenesssacerdotalismuntraditionalbiconditionaldeconditionednonadditivityphotodetectorpremeditatorssacerdotalisttetrodotoxins

About this list

Words
17 (6 common words)
Common example
accreditation
Rare example
tetrodotoxins
Doubled letters
3
Ending in S
3
Most frequent letter
I (16)

Questions

How many 13-letter words matching _____d_t_____ are there?

17. 6 of them are common words.

What is a common example?

ACCREDITATION is among the common words in this set.