Unscramble Irtsets

What is the meaning of word irtsets unscrambled?

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

1. sitters - Definition of sitters

Make more words by adding or removing letters

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

1. resist - Definition of resist

2. resits - Definition of resits

3. sister - Definition of sister

4. Sitter - Definition of Sitter

5. testis - Definition of testis

6. tetris - Definition of tetris

7. titers - Definition of titers

8. titres - Definition of titres

9. triste - Definition of triste

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rtsets
2) Removing the letter R and unscrambling itsets
3) Removing the letter T and unscrambling irsets
4) Removing the letter S and unscrambling irtets
5) Removing the letter E and unscrambling irtsts
6) Removing the letter T and unscrambling irtses
7) Removing the letter S and unscrambling irtset

More anagrams containing the letters I R T S E T S
irtsset irtsste tsreits irstest