Unscramble Tsfn

What is the meaning of word tsfn unscrambled?

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

Make more words by adding or removing letters

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

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 T and unscrambling sfn
2) Removing the letter S and unscrambling tfn
3) Removing the letter F and unscrambling tsn
4) Removing the letter N and unscrambling tsf

More anagrams containing the letters T S F N
tsnf fnst fsnt ftns