Unscramble Sqref

What is the meaning of word sqref unscrambled?

What 5 letter words can be made from letters S Q R E F:

Make more words by adding or removing letters

How many 4 letter words can you make from letters S Q R E F?

1. refs - Definition of refs

2. serf - Definition of serf

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter S and unscrambling qref
2) Removing the letter Q and unscrambling sref
3) Removing the letter R and unscrambling sqef
4) Removing the letter E and unscrambling sqrf
5) Removing the letter F and unscrambling sqre

More anagrams containing the letters S Q R E F
sqrfe srefq qsefr qserf