Unscramble Orrfsets

What is the meaning of word orrfsets unscrambled?

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

1. fortress - Definition of fortress

Make more words by adding or removing letters

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

1. forests - Definition of forests

2. fosters - Definition of fosters

3. resorts - Definition of resorts

4. rosters - Definition of rosters

5. sorters - Definition of sorters

6. storers - Definition of storers

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter O and unscrambling rrfsets
2) Removing the letter R and unscrambling orfsets
3) Removing the letter R and unscrambling orfsets
4) Removing the letter F and unscrambling orrsets
5) Removing the letter S and unscrambling orrfets
6) Removing the letter E and unscrambling orrfsts
7) Removing the letter T and unscrambling orrfses
8) Removing the letter S and unscrambling orrfset

More anagrams containing the letters O R R F S E T S
orrfsset orrfsste sorftser sotrfesr