Unscramble Trifsets

What is the meaning of word trifsets unscrambled?

What 8 letter words can be made from letters T R I F S E T S:

Make more words by adding or removing letters

How many 7 letter words can you make from letters T R I F S E T S?

1. fitters - Definition of fitters

2. resifts - Definition of resifts

3. sifters - Definition of sifters

4. sitters - Definition of sitters

5. strifes - Definition of strifes

6. titfers - Definition of titfers

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter T and unscrambling rifsets
2) Removing the letter R and unscrambling tifsets
3) Removing the letter I and unscrambling trfsets
4) Removing the letter F and unscrambling trisets
5) Removing the letter S and unscrambling trifets
6) Removing the letter E and unscrambling trifsts
7) Removing the letter T and unscrambling trifses
8) Removing the letter S and unscrambling trifset

More anagrams containing the letters T R I F S E T S
trifsset trifsste rsetsfti iseftstr