Unscramble Irrts

What is the meaning of word irrts unscrambled?

What 5 letter words can be made from letters I R R T S:

Make more words by adding or removing letters

How many 4 letter words can you make from letters I R R T S?

1. stir - Definition of stir

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rrts
2) Removing the letter R and unscrambling irts
3) Removing the letter R and unscrambling irts
4) Removing the letter T and unscrambling irrs
5) Removing the letter S and unscrambling irrt

More anagrams containing the letters I R R T S
irsrt irstr isrtr tsrri