Unscramble Retsiffs

What is the meaning of word retsiffs unscrambled?

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

Make more words by adding or removing letters

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

1. resifts - Definition of resifts

2. sifters - Definition of sifters

3. stiffer - Definition of stiffer

4. strifes - Definition of strifes

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter R and unscrambling etsiffs
2) Removing the letter E and unscrambling rtsiffs
3) Removing the letter T and unscrambling resiffs
4) Removing the letter S and unscrambling retiffs
5) Removing the letter I and unscrambling retsffs
6) Removing the letter F and unscrambling retsifs
7) Removing the letter F and unscrambling retsifs
8) Removing the letter S and unscrambling retsiff

More anagrams containing the letters R E T S I F F S
retsifsf retsisff efifsrst isfftrse