Unscramble Rtfn

What is the meaning of word rtfn unscrambled?

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

Make more words by adding or removing letters

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

1. TNF - Definition of TNF

2. TRF - Definition of TRF

Which 3 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter R and unscrambling tfn
2) Removing the letter T and unscrambling rfn
3) Removing the letter F and unscrambling rtn
4) Removing the letter N and unscrambling rtf

More anagrams containing the letters R T F N
rtnf tfnr ftnr tnfr