Unscramble Isrtfset

What is the meaning of word isrtfset unscrambled?

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

Make more words by adding or removing letters

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

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 I and unscrambling srtfset
2) Removing the letter S and unscrambling irtfset
3) Removing the letter R and unscrambling istfset
4) Removing the letter T and unscrambling isrfset
5) Removing the letter F and unscrambling isrtset
6) Removing the letter S and unscrambling isrtfet
7) Removing the letter E and unscrambling isrtfst
8) Removing the letter T and unscrambling isrtfse

More anagrams containing the letters I S R T F S E T
isrtfste isrtftes trifsets teissrtf