Unscramble Stifs

What is the meaning of word stifs unscrambled?

What 5 letter words can be made from letters S T I F S:

1. fists - Definition of fists

2. sifts - Definition of sifts

Make more words by adding or removing letters

How many 4 letter words can you make from letters S T I F S?

1. fist - Definition of fist

2. fits - Definition of fits

3. sift - Definition of sift

4. sits - Definition of sits

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter S and unscrambling tifs
2) Removing the letter T and unscrambling sifs
3) Removing the letter I and unscrambling stfs
4) Removing the letter F and unscrambling stis
5) Removing the letter S and unscrambling stif

More anagrams containing the letters S T I F S
stisf stsfi fssit tsfis