Unscramble Isfets

What is the meaning of word isfets unscrambled?

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

1. feists - Definition of feists

Make more words by adding or removing letters

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

1. feist - Definition of feist

2. fests - Definition of fests

3. fists - Definition of fists

4. seifs - Definition of seifs

5. sifts - Definition of sifts

6. sites - Definition of sites

7. sties - Definition of sties

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling sfets
2) Removing the letter S and unscrambling ifets
3) Removing the letter F and unscrambling isets
4) Removing the letter E and unscrambling isfts
5) Removing the letter T and unscrambling isfes
6) Removing the letter S and unscrambling isfet

More anagrams containing the letters I S F E T S
isfset isfste tsefis feisst