4-Letter Words Matching _R_D

There are 13 4-letter words that match _R_D. 8 are common words, such as ARID and BRAD. A rarer one is ORAD. In this set, A is the most frequent open letter (5 words). 0 words contain a doubled letter.

Full list 13

aridbradbredcrudgradgridprodtrodcredtradirediridorad

About this list

Words
13 (8 common words)
Common example
arid
Rare example
orad
Doubled letters
0
Ending in S
0
Most frequent letter
A (5)

Questions

How many 4-letter words matching _r_d are there?

13. 8 of them are common words.

What is a common example?

ARID is among the common words in this set.