Unscramble Iderref

What is the meaning of word iderref unscrambled?

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

1. ferried - Definition of ferried

2. refired - Definition of refired

3. refried - Definition of refried

Make more words by adding or removing letters

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

1. defier - Definition of defier

2. refire - Definition of refire

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling derref
2) Removing the letter D and unscrambling ierref
3) Removing the letter E and unscrambling idrref
4) Removing the letter R and unscrambling ideref
5) Removing the letter R and unscrambling ideref
6) Removing the letter E and unscrambling iderrf
7) Removing the letter F and unscrambling iderre

More anagrams containing the letters I D E R R E F
iderrfe idfeerr drreeif reefird