Unscramble Irfnr

What is the meaning of word irfnr unscrambled?

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

Make more words by adding or removing letters

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

1. firn - Definition of firn

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rfnr
2) Removing the letter R and unscrambling ifnr
3) Removing the letter F and unscrambling irnr
4) Removing the letter N and unscrambling irfr
5) Removing the letter R and unscrambling irfn

More anagrams containing the letters I R F N R
irfrn irnfr nrrif rfirn