Unscramble Irssts

What is the meaning of word irssts unscrambled?

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

Make more words by adding or removing letters

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

1. stirs - Definition of stirs

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rssts
2) Removing the letter R and unscrambling issts
3) Removing the letter S and unscrambling irsts
4) Removing the letter S and unscrambling irsts
5) Removing the letter T and unscrambling irsss
6) Removing the letter S and unscrambling irsst

More anagrams containing the letters I R S S T S
irstss irtsss tsirss sirtss