14-Letter Words Matching ____R_____D___

There are 14 14-letter words that match ____R_____D___. 3 are common words, such as INTERDEPENDENT and SUPERINTENDENT. A rarer one is UNDERGROUNDERS. In this set, E is the most frequent open letter (13 words). 2 words contain a doubled letter.

Full list 14

interdependentsuperintendentsuperintendingsuperspreaderslabyrinthodontheteroploidieshyperextendinginterdependingoverrespondingsuperaboundingsupercalenderssupercolliderssuperconfidentundergrounders

About this list

Words
14 (3 common words)
Common example
interdependent
Rare example
undergrounders
Doubled letters
2
Ending in S
5
Most frequent letter
E (13)

Questions

How many 14-letter words matching ____r_____d___ are there?

14. 3 of them are common words.

What is a common example?

INTERDEPENDENT is among the common words in this set.