10-Letter Words Matching ___D___R__

There are 21 10-letter words that match ___D___R__. 14 are common words, such as CARDBOARDS and CARDIOGRAM. A rarer one is TRADITORES. In this set, A is the most frequent open letter (18 words). 4 words contain a doubled letter.

Full list 21

cardboardscardiogramcardsharpshandbarrowhandiworkshardboardsheadboardsmiddlebrowmoldboardspaediatricsandstormsspadeworkstrademarkswindstormscladocerancoadjutrixsaddletreedendrogramepidendrumsaddlebredtraditores

About this list

Words
21 (14 common words)
Common example
cardboards
Rare example
traditores
Doubled letters
4
Ending in S
11
Most frequent letter
A (18)

Questions

How many 10-letter words matching ___d___r__ are there?

21. 14 of them are common words.

What is a common example?

CARDBOARDS is among the common words in this set.