Unscramble Instrs

What is the meaning of word instrs unscrambled?

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

Make more words by adding or removing letters

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

1. snits - Definition of snits

2. 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 nstrs
2) Removing the letter N and unscrambling istrs
3) Removing the letter S and unscrambling intrs
4) Removing the letter T and unscrambling insrs
5) Removing the letter R and unscrambling insts
6) Removing the letter S and unscrambling instr

More anagrams containing the letters I N S T R S
instsr intrss tinsrs nsistr