Unscramble Ftns

What is the meaning of word ftns unscrambled?

What 4 letter words can be made from letters F T N S:

Make more words by adding or removing letters

How many 3 letter words can you make from letters F T N S?

1. NSF - Definition of NSF

2. TNF - Definition of TNF

Which 3 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter F and unscrambling tns
2) Removing the letter T and unscrambling fns
3) Removing the letter N and unscrambling fts
4) Removing the letter S and unscrambling ftn

More anagrams containing the letters F T N S
ftsn nfst tsfn ntsf