Unscramble Rtfs

What is the meaning of word rtfs unscrambled?

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

Make more words by adding or removing letters

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

1. FRS - Definition of FRS

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 tfs
2) Removing the letter T and unscrambling rfs
3) Removing the letter F and unscrambling rts
4) Removing the letter S and unscrambling rtf

More anagrams containing the letters R T F S
rtsf sfrt fsrt srft