Unscramble Intfs

What is the meaning of word intfs unscrambled?

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

Make more words by adding or removing letters

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

1. fins - Definition of fins

2. fist - Definition of fist

3. fits - Definition of fits

4. inst - Definition of inst

5. NIST - Definition of NIST

6. nits - Definition of nits

7. NTIS - Definition of NTIS

8. sift - Definition of sift

9. snit - Definition of snit

10. tins - Definition of tins

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling ntfs
2) Removing the letter N and unscrambling itfs
3) Removing the letter T and unscrambling infs
4) Removing the letter F and unscrambling ints
5) Removing the letter S and unscrambling intf

More anagrams containing the letters I N T F S
intsf isfnt tnsfi stnfi