Unscramble Tfidf

What is the meaning of word tfidf unscrambled?

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

Make more words by adding or removing letters

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

1. diff - Definition of diff

2. tiff - Definition of tiff

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter T and unscrambling fidf
2) Removing the letter F and unscrambling tidf
3) Removing the letter I and unscrambling tfdf
4) Removing the letter D and unscrambling tfif
5) Removing the letter F and unscrambling tfid

More anagrams containing the letters T F I D F
tfifd tidff iffdt dffti