Unscramble Ifddef

What is the meaning of word ifddef unscrambled?

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

Make more words by adding or removing letters

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

1. fifed - Definition of fifed

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling fddef
2) Removing the letter F and unscrambling iddef
3) Removing the letter D and unscrambling ifdef
4) Removing the letter D and unscrambling ifdef
5) Removing the letter E and unscrambling ifddf
6) Removing the letter F and unscrambling ifdde

More anagrams containing the letters I F D D E F
ifddfe ifdedf fddife diffde