Unscramble Rirsub

What is the meaning of word rirsub unscrambled?

What 6 letter words can be made from letters R I R S U B:

Make more words by adding or removing letters

How many 5 letter words can you make from letters R I R S U B?

1. birrs - Definition of birrs

2. burrs - Definition of burrs

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter R and unscrambling irsub
2) Removing the letter I and unscrambling rrsub
3) Removing the letter R and unscrambling risub
4) Removing the letter S and unscrambling rirub
5) Removing the letter U and unscrambling rirsb
6) Removing the letter B and unscrambling rirsu

More anagrams containing the letters R I R S U B
rirubs rirusb rsuirb risrub