4-Letter Words Matching _R_G

There are 16 4-letter words that match _R_G. 10 are common words, such as BRAG and BRIG. A rarer one is PROG. In this set, I is the most frequent open letter (5 words). 0 words contain a doubled letter.

Full list 16

bragbrigcragdragdrugfrigfroggrogprigtrigdregfragfruggrigtrugprog

About this list

Words
16 (10 common words)
Common example
brag
Rare example
prog
Doubled letters
0
Ending in S
0
Most frequent letter
I (5)

Questions

How many 4-letter words matching _r_g are there?

16. 10 of them are common words.

What is a common example?

BRAG is among the common words in this set.