Unscramble Iidff

What is the meaning of word iidff unscrambled?

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

Make more words by adding or removing letters

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

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 idff
2) Removing the letter I and unscrambling idff
3) Removing the letter D and unscrambling iiff
4) Removing the letter F and unscrambling iidf
5) Removing the letter F and unscrambling iidf

More anagrams containing the letters I I D F F
iifdf iiffd fiidf ffdii