Unscramble Irsrtf

What is the meaning of word irsrtf unscrambled?

What 6 letter words can be made from letters I R S R T F:

Make more words by adding or removing letters

How many 5 letter words can you make from letters I R S R T F?

1. first - Definition of first

2. frits - Definition of frits

3. rifts - Definition of rifts

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rsrtf
2) Removing the letter R and unscrambling isrtf
3) Removing the letter S and unscrambling irrtf
4) Removing the letter R and unscrambling irstf
5) Removing the letter T and unscrambling irsrf
6) Removing the letter F and unscrambling irsrt

More anagrams containing the letters I R S R T F
irstfr irstrf rfitsr rtfris