Unscramble Rnfm

What is the meaning of word rnfm unscrambled?

What 4 letter words can be made from letters R N F M:

Make more words by adding or removing letters

How many 3 letter words can you make from letters R N F M?

1. NMR - Definition of NMR

Which 3 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter R and unscrambling nfm
2) Removing the letter N and unscrambling rfm
3) Removing the letter F and unscrambling rnm
4) Removing the letter M and unscrambling rnf

More anagrams containing the letters R N F M
rnmf fmnr rmfn mfnr