Unscramble Ratspref

What is the meaning of word ratspref unscrambled?

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

Make more words by adding or removing letters

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

1. fraters - Definition of fraters

2. praters - Definition of praters

3. rafters - Definition of rafters

4. strafer - Definition of strafer

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter R and unscrambling atspref
2) Removing the letter A and unscrambling rtspref
3) Removing the letter T and unscrambling raspref
4) Removing the letter S and unscrambling ratpref
5) Removing the letter P and unscrambling ratsref
6) Removing the letter R and unscrambling ratspef
7) Removing the letter E and unscrambling ratsprf
8) Removing the letter F and unscrambling ratspre

More anagrams containing the letters R A T S P R E F
ratsprfe ratsrefp arfstrpe trsferap