Unscramble Useddiff

What is the meaning of word useddiff unscrambled?

What 8 letter words can be made from letters U S E D D I F F:

1. diffused - Definition of diffused

Make more words by adding or removing letters

How many 7 letter words can you make from letters U S E D D I F F?

1. diffuse - Definition of diffuse

2. fuddies - Definition of fuddies

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter U and unscrambling seddiff
2) Removing the letter S and unscrambling ueddiff
3) Removing the letter E and unscrambling usddiff
4) Removing the letter D and unscrambling usediff
5) Removing the letter D and unscrambling usediff
6) Removing the letter I and unscrambling useddff
7) Removing the letter F and unscrambling useddif
8) Removing the letter F and unscrambling useddif

More anagrams containing the letters U S E D D I F F
usedfdfi usedfdif edsfdfui dsfuidef