4-Letter Words Matching _U_D

There are 19 4-letter words that match _U_D. 9 are common words, such as CUED and CURD. A rarer one is NURD. In this set, R is the most frequent open letter (7 words). 2 words contain a doubled letter.

Full list 19

cuedcurdfundhuedquadquidruedsuedturdbundduadquodruddsuddsurdauldburdguidnurd

About this list

Words
19 (9 common words)
Common example
cued
Rare example
nurd
Doubled letters
2
Ending in S
0
Most frequent letter
R (7)

Questions

How many 4-letter words matching _u_d are there?

19. 9 of them are common words.

What is a common example?

CUED is among the common words in this set.