Unscramble Iidef

What is the meaning of word iidef unscrambled?

What 5 letter words can be made from letters I I D E F:

Make more words by adding or removing letters

How many 4 letter words can you make from letters I I D E F?

1. defi - Definition of defi

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling idef
2) Removing the letter I and unscrambling idef
3) Removing the letter D and unscrambling iief
4) Removing the letter E and unscrambling iidf
5) Removing the letter F and unscrambling iide

More anagrams containing the letters I I D E F
iidfe iiedf ieidf defii