Unscramble Strfsim

What is the meaning of word strfsim unscrambled?

What 7 letter words can be made from letters S T R F S I M:

Make more words by adding or removing letters

How many 6 letter words can you make from letters S T R F S I M?

1. firsts - Definition of firsts

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter S and unscrambling trfsim
2) Removing the letter T and unscrambling srfsim
3) Removing the letter R and unscrambling stfsim
4) Removing the letter F and unscrambling strsim
5) Removing the letter S and unscrambling strfim
6) Removing the letter I and unscrambling strfsm
7) Removing the letter M and unscrambling strfsi

More anagrams containing the letters S T R F S I M
strfsmi strifms msrsift fsmtsri