Unscramble Derreref

What is the meaning of word derreref unscrambled?

What 8 letter words can be made from letters D E R R E R E F:

1. deferrer - Definition of deferrer

2. referred - Definition of referred

Make more words by adding or removing letters

How many 7 letter words can you make from letters D E R R E R E F?

1. referer - Definition of referer

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter D and unscrambling erreref
2) Removing the letter E and unscrambling drreref
3) Removing the letter R and unscrambling dereref
4) Removing the letter R and unscrambling dereref
5) Removing the letter E and unscrambling derrref
6) Removing the letter R and unscrambling derreef
7) Removing the letter E and unscrambling derrerf
8) Removing the letter F and unscrambling derrere

More anagrams containing the letters D E R R E R E F
derrerfe derrfeer dfrreeer reedrfre