4-Letter Words Matching _RU_

There are 15 4-letter words that match _RU_. 8 are common words, such as ARUM and CRUD. A rarer one is GRUE. In this set, G is the most frequent open letter (6 words). 0 words contain a doubled letter.

Full list 15

arumcrudcruxdrubdrugdrumgrubtruebrutcrusfruggrumtrugurusgrue

About this list

Words
15 (8 common words)
Common example
arum
Rare example
grue
Doubled letters
0
Ending in S
2
Most frequent letter
G (6)

Questions

How many 4-letter words matching _ru_ are there?

15. 8 of them are common words.

What is a common example?

ARUM is among the common words in this set.