Unscramble Spstref

What is the meaning of word spstref unscrambled?

What 7 letter words can be made from letters S P S T R E F:

Make more words by adding or removing letters

How many 6 letter words can you make from letters S P S T R E F?

1. prests - Definition of prests

2. streps - Definition of streps

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter S and unscrambling pstref
2) Removing the letter P and unscrambling sstref
3) Removing the letter S and unscrambling sptref
4) Removing the letter T and unscrambling spsref
5) Removing the letter R and unscrambling spstef
6) Removing the letter E and unscrambling spstrf
7) Removing the letter F and unscrambling spstre

More anagrams containing the letters S P S T R E F
spstrfe sptefrs sfrspte fresspt