Unscramble Semsets

What is the meaning of word semsets unscrambled?

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

Make more words by adding or removing letters

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

1. messes - Definition of messes

2. tmeses - Definition of tmeses

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter S and unscrambling emsets
2) Removing the letter E and unscrambling smsets
3) Removing the letter M and unscrambling sesets
4) Removing the letter S and unscrambling semets
5) Removing the letter E and unscrambling semsts
6) Removing the letter T and unscrambling semses
7) Removing the letter S and unscrambling semset

More anagrams containing the letters S E M S E T S
semsset semsste meessst smeetss