Unscramble Xsref

What is the meaning of word xsref unscrambled?

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

Make more words by adding or removing letters

How many 4 letter words can you make from letters X S 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 X and unscrambling sref
2) Removing the letter S and unscrambling xref
3) Removing the letter R and unscrambling xsef
4) Removing the letter E and unscrambling xsrf
5) Removing the letter F and unscrambling xsre

More anagrams containing the letters X S R E F
xsrfe efrsx fsrxe xsefr