Unscramble Stifset

What is the meaning of word stifset unscrambled?

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

Make more words by adding or removing letters

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

1. feists - Definition of feists

2. testis - Definition of testis

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter S and unscrambling tifset
2) Removing the letter T and unscrambling sifset
3) Removing the letter I and unscrambling stfset
4) Removing the letter F and unscrambling stiset
5) Removing the letter S and unscrambling stifet
6) Removing the letter E and unscrambling stifst
7) Removing the letter T and unscrambling stifse

More anagrams containing the letters S T I F S E T
stifste stiftes ftstsie ttsifes