Unscramble Ertfsets

What is the meaning of word ertfsets unscrambled?

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

Make more words by adding or removing letters

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

1. festers - Definition of festers

2. fetters - Definition of fetters

3. retests - Definition of retests

4. setters - Definition of setters

5. streets - Definition of streets

6. tersest - Definition of tersest

7. testers - Definition of testers

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter E and unscrambling rtfsets
2) Removing the letter R and unscrambling etfsets
3) Removing the letter T and unscrambling erfsets
4) Removing the letter F and unscrambling ertsets
5) Removing the letter S and unscrambling ertfets
6) Removing the letter E and unscrambling ertfsts
7) Removing the letter T and unscrambling ertfses
8) Removing the letter S and unscrambling ertfset

More anagrams containing the letters E R T F S E T S
ertfsset ertfsste rftteses erettfss