Unscramble Ldref

What is the meaning of word ldref unscrambled?

What 5 letter words can be made from letters L D R E F:

Make more words by adding or removing letters

How many 4 letter words can you make from letters L D R E F?

1. delf - Definition of delf

2. fled - Definition of fled

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter L and unscrambling dref
2) Removing the letter D and unscrambling lref
3) Removing the letter R and unscrambling ldef
4) Removing the letter E and unscrambling ldrf
5) Removing the letter F and unscrambling ldre

More anagrams containing the letters L D R E F
ldrfe ledfr edrfl frlde