Unscramble Ifandef

What is the meaning of word ifandef unscrambled?

What 7 letter words can be made from letters I F A N D E F:

1. affined - Definition of affined

Make more words by adding or removing letters

How many 6 letter words can you make from letters I F A N D E F?

1. affine - Definition of affine

2. fadein - Definition of fadein

3. naffed - Definition of naffed

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling fandef
2) Removing the letter F and unscrambling iandef
3) Removing the letter A and unscrambling ifndef
4) Removing the letter N and unscrambling ifadef
5) Removing the letter D and unscrambling ifanef
6) Removing the letter E and unscrambling ifandf
7) Removing the letter F and unscrambling ifande

More anagrams containing the letters I F A N D E F
ifandfe ifanedf ifdaenf dfnfaei