Unscramble Ridrefs

What is the meaning of word ridrefs unscrambled?

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

Make more words by adding or removing letters

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

1. derris - Definition of derris

2. driers - Definition of driers

3. firers - Definition of firers

4. friers - Definition of friers

5. riders - Definition of riders

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter R and unscrambling idrefs
2) Removing the letter I and unscrambling rdrefs
3) Removing the letter D and unscrambling rirefs
4) Removing the letter R and unscrambling ridefs
5) Removing the letter E and unscrambling ridrfs
6) Removing the letter F and unscrambling ridres
7) Removing the letter S and unscrambling ridref

More anagrams containing the letters R I D R E F S
ridresf ridrfes irsdfre rrsdefi