Unscramble Idefis

What is the meaning of word idefis unscrambled?

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

Make more words by adding or removing letters

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

1. defis - Definition of defis

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling defis
2) Removing the letter D and unscrambling iefis
3) Removing the letter E and unscrambling idfis
4) Removing the letter F and unscrambling ideis
5) Removing the letter I and unscrambling idefs
6) Removing the letter S and unscrambling idefi

More anagrams containing the letters I D E F I S
idefsi ideifs ideifs difsei