Unscramble Thisets

What is the meaning of word thisets unscrambled?

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

1. theists - Definition of theists

Make more words by adding or removing letters

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

1. heists - Definition of heists

2. shiest - Definition of shiest

3. testis - Definition of testis

4. theist - Definition of theist

5. thesis - Definition of thesis

6. Thetis - Definition of Thetis

7. tithes - Definition of tithes

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter T and unscrambling hisets
2) Removing the letter H and unscrambling tisets
3) Removing the letter I and unscrambling thsets
4) Removing the letter S and unscrambling thiets
5) Removing the letter E and unscrambling thists
6) Removing the letter T and unscrambling thises
7) Removing the letter S and unscrambling thiset

More anagrams containing the letters T H I S E T S
thisset thisste sehttsi ehtsist