Unscramble Rniub

What is the meaning of word rniub unscrambled?

What 5 letter words can be made from letters R N I U B:

1. bruin - Definition of bruin

2. burin - Definition of burin

Make more words by adding or removing letters

How many 4 letter words can you make from letters R N I U B?

1. brin - Definition of brin

2. burn - Definition of burn

3. RNIB - Definition of RNIB

4. ruin - Definition of ruin

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter R and unscrambling niub
2) Removing the letter N and unscrambling riub
3) Removing the letter I and unscrambling rnub
4) Removing the letter U and unscrambling rnib
5) Removing the letter B and unscrambling rniu

More anagrams containing the letters R N I U B
rnubi rnuib bniru irbun