Unscramble Idffd

What is the meaning of word idffd unscrambled?

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

Make more words by adding or removing letters

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

1. diff - Definition of diff

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling dffd
2) Removing the letter D and unscrambling iffd
3) Removing the letter F and unscrambling idfd
4) Removing the letter F and unscrambling idfd
5) Removing the letter D and unscrambling idff

More anagrams containing the letters I D F F D
ifddf ifdfd dfidf dffid