Unscramble Dderref

What is the meaning of word dderref unscrambled?

What 7 letter words can be made from letters D D E R R E F:

Make more words by adding or removing letters

How many 6 letter words can you make from letters D D E R R E F?

1. redder - Definition of redder

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter D and unscrambling derref
2) Removing the letter D and unscrambling derref
3) Removing the letter E and unscrambling ddrref
4) Removing the letter R and unscrambling dderef
5) Removing the letter R and unscrambling dderef
6) Removing the letter E and unscrambling dderrf
7) Removing the letter F and unscrambling dderre

More anagrams containing the letters D D E R R E F
dderrfe ddfeerr dererfd reeddrf