Unscramble Xrub

What is the meaning of word xrub unscrambled?

What 4 letter words can be made from letters X R U B:

1. brux - Definition of brux

Make more words by adding or removing letters

How many 3 letter words can you make from letters X R U B?

1. bur - Definition of bur

2. rub - Definition of rub

3. urb - Definition of urb

Which 3 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter X and unscrambling rub
2) Removing the letter R and unscrambling xub
3) Removing the letter U and unscrambling xrb
4) Removing the letter B and unscrambling xru

More anagrams containing the letters X R U B
xubr xurb xrbu rbux