Unscramble Ridfset

What is the meaning of word ridfset unscrambled?

What 7 letter words can be made from letters R I D F S E T:

Make more words by adding or removing letters

How many 6 letter words can you make from letters R I D F S E T?

1. direst - Definition of direst

2. driest - Definition of driest

3. drifts - Definition of drifts

4. fisted - Definition of fisted

5. frites - Definition of frites

6. refits - Definition of refits

7. resift - Definition of resift

8. rifest - Definition of rifest

9. rifted - Definition of rifted

10. sifted - Definition of sifted

11. sifter - Definition of sifter

12. stride - Definition of stride

13. strife - Definition of strife

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter R and unscrambling idfset
2) Removing the letter I and unscrambling rdfset
3) Removing the letter D and unscrambling rifset
4) Removing the letter F and unscrambling ridset
5) Removing the letter S and unscrambling ridfet
6) Removing the letter E and unscrambling ridfst
7) Removing the letter T and unscrambling ridfse

More anagrams containing the letters R I D F S E T
ridfste ridftes freistd steidrf