Unscramble Irffsts

What is the meaning of word irffsts unscrambled?

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

Make more words by adding or removing letters

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

1. firsts - Definition of firsts

2. stiffs - Definition of stiffs

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rffsts
2) Removing the letter R and unscrambling iffsts
3) Removing the letter F and unscrambling irfsts
4) Removing the letter F and unscrambling irfsts
5) Removing the letter S and unscrambling irffts
6) Removing the letter T and unscrambling irffss
7) Removing the letter S and unscrambling irffst

More anagrams containing the letters I R F F S T S
irfftss irfsfst tfrissf stfifrs