14-Letter Words Matching ________R____D

There are 21 14-letter words that match ________R____D. 7 are common words, such as BURGLARPROOFED and REPHOTOGRAPHED. A rarer one is UNSTANDARDIZED. In this set, E is the most frequent open letter (20 words). 9 words contain a doubled letter.

Full list 21

burglarproofedrephotographedscatterbrainedtransmogrifiedunappropriatedundernourishedweatherproofeddisembarrassedfeatherbrainedoverdeterminedcontainerboardcounterorderedoverabstractedoveradvertisedovercompressedovercontrolledoverprogrammedphilanthropoidpreconstructedreappropriatedunstandardized

About this list

Words
21 (7 common words)
Common example
burglarproofed
Rare example
unstandardized
Doubled letters
9
Ending in S
0
Most frequent letter
E (20)

Questions

How many 14-letter words matching ________r____d are there?

21. 7 of them are common words.

What is a common example?

BURGLARPROOFED is among the common words in this set.