12-Letter Words Matching __R_____D___

There are 14 12-letter words that match __R_____D___. 4 are common words, such as CARBORUNDUMS and CORESPONDENT. A rarer one is SURFBOARDERS. In this set, N is the most frequent open letter (12 words). 2 words contain a doubled letter.

Full list 14

carborundumscorespondentgerrymanderssurfboardinghorsetradingjurisprudentliriodendronparascendingtarradiddlesfurazolidonehardstandingperichondralperichondriasurfboarders

About this list

Words
14 (4 common words)
Common example
carborundums
Rare example
surfboarders
Doubled letters
2
Ending in S
4
Most frequent letter
N (12)

Questions

How many 12-letter words matching __r_____d___ are there?

14. 4 of them are common words.

What is a common example?

CARBORUNDUMS is among the common words in this set.