Unscramble Irdref

What is the meaning of word irdref unscrambled?

What 6 letter words can be made from letters I R D R E F:

Make more words by adding or removing letters

How many 5 letter words can you make from letters I R D R E F?

1. direr - Definition of direr

2. drier - Definition of drier

3. fired - Definition of fired

4. firer - Definition of firer

5. fried - Definition of fried

6. frier - Definition of frier

7. rider - Definition of rider

8. rifer - Definition of rifer

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rdref
2) Removing the letter R and unscrambling idref
3) Removing the letter D and unscrambling irref
4) Removing the letter R and unscrambling irdef
5) Removing the letter E and unscrambling irdrf
6) Removing the letter F and unscrambling irdre

More anagrams containing the letters I R D R E F
irdrfe iredfr efrird idrfre