Unscramble Idftrs

What is the meaning of word idftrs unscrambled?

What 6 letter words can be made from letters I D F T R S:

1. drifts - Definition of drifts

Make more words by adding or removing letters

How many 5 letter words can you make from letters I D F T R S?

1. dirts - Definition of dirts

2. drift - Definition of drift

3. first - Definition of first

4. frits - Definition of frits

5. rifts - Definition of rifts

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling dftrs
2) Removing the letter D and unscrambling iftrs
3) Removing the letter F and unscrambling idtrs
4) Removing the letter T and unscrambling idfrs
5) Removing the letter R and unscrambling idfts
6) Removing the letter S and unscrambling idftr

More anagrams containing the letters I D F T R S
idftsr idrfst tifdrs tsfdri