Unscramble Irnreg

What is the meaning of word irnreg unscrambled?

What 6 letter words can be made from letters I R N R E G:

1. erring - Definition of erring

2. ringer - Definition of ringer

Make more words by adding or removing letters

How many 5 letter words can you make from letters I R N R E G?

1. Inger - Definition of Inger

2. Niger - Definition of Niger

3. reign - Definition of reign

4. renig - Definition of renig

5. rerig - Definition of rerig

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rnreg
2) Removing the letter R and unscrambling inreg
3) Removing the letter N and unscrambling irreg
4) Removing the letter R and unscrambling irneg
5) Removing the letter E and unscrambling irnrg
6) Removing the letter G and unscrambling irnre

More anagrams containing the letters I R N R E G
irnrge irregn ngreir rergni