Unscramble Setrrefs

What is the meaning of word setrrefs unscrambled?

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

Make more words by adding or removing letters

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

1. ferrets - Definition of ferrets

2. festers - Definition of festers

3. resters - Definition of resters

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter S and unscrambling etrrefs
2) Removing the letter E and unscrambling strrefs
3) Removing the letter T and unscrambling serrefs
4) Removing the letter R and unscrambling setrefs
5) Removing the letter R and unscrambling setrefs
6) Removing the letter E and unscrambling setrrfs
7) Removing the letter F and unscrambling setrres
8) Removing the letter S and unscrambling setrref

More anagrams containing the letters S E T R R E F S
setrresf setrrfes rfsetser sfsertre