15-Letter Words Matching __T__D_________

There are 12 15-letter words that match __T__D_________. 1 are common words, such as INTERDEPENDENCE and INTERDEPENDENCY. A rarer one is UNTRADITIONALLY. In this set, I is the most frequent open letter (12 words). 3 words contain a doubled letter.

Full list 12

interdependenceinterdependencyorthodonticallyantieducationalextendabilitiesextrudabilitiesinterdiffusionsinterdigitatinginterdigitationinterdivisionalultrademocraticuntraditionally

About this list

Words
12 (1 common words)
Common example
interdependence
Rare example
untraditionally
Doubled letters
3
Ending in S
3
Most frequent letter
I (12)

Questions

How many 15-letter words matching __t__d_________ are there?

12. 1 of them are common words.

What is a common example?

INTERDEPENDENCE is among the common words in this set.