Unscramble Refstset

What is the meaning of word refstset unscrambled?

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

Make more words by adding or removing letters

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

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 R and unscrambling efstset
2) Removing the letter E and unscrambling rfstset
3) Removing the letter F and unscrambling restset
4) Removing the letter S and unscrambling reftset
5) Removing the letter T and unscrambling refsset
6) Removing the letter S and unscrambling refstet
7) Removing the letter E and unscrambling refstst
8) Removing the letter T and unscrambling refstse

More anagrams containing the letters R E F S T S E T
refstste refsttes sfetetrs eettssrf