Unscramble Intfset

What is the meaning of word intfset unscrambled?

What 7 letter words can be made from letters I N T F S E T:

Make more words by adding or removing letters

How many 6 letter words can you make from letters I N T F S E T?

1. feints - Definition of feints

2. finest - Definition of finest

3. infest - Definition of infest

4. sitten - Definition of sitten

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling ntfset
2) Removing the letter N and unscrambling itfset
3) Removing the letter T and unscrambling infset
4) Removing the letter F and unscrambling intset
5) Removing the letter S and unscrambling intfet
6) Removing the letter E and unscrambling intfst
7) Removing the letter T and unscrambling intfse

More anagrams containing the letters I N T F S E T
intfste intftes sfitten efisttn