Unscramble Semisets

What is the meaning of word semisets unscrambled?

What 8 letter words can be made from letters S E M I S E T S:

1. messiest - Definition of messiest

2. metisses - Definition of metisses

Make more words by adding or removing letters

How many 7 letter words can you make from letters S E M I S E T S?

1. metisse - Definition of metisse

2. missets - Definition of missets

3. semises - Definition of semises

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter S and unscrambling emisets
2) Removing the letter E and unscrambling smisets
3) Removing the letter M and unscrambling seisets
4) Removing the letter I and unscrambling semsets
5) Removing the letter S and unscrambling semiets
6) Removing the letter E and unscrambling semists
7) Removing the letter T and unscrambling semises
8) Removing the letter S and unscrambling semiset

More anagrams containing the letters S E M I S E T S
semisset semisste iemessst eesimsst