Unscramble Idemsets

What is the meaning of word idemsets unscrambled?

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

Make more words by adding or removing letters

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

1. demises - Definition of demises

2. metisse - Definition of metisse

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling demsets
2) Removing the letter D and unscrambling iemsets
3) Removing the letter E and unscrambling idmsets
4) Removing the letter M and unscrambling idesets
5) Removing the letter S and unscrambling idemets
6) Removing the letter E and unscrambling idemsts
7) Removing the letter T and unscrambling idemses
8) Removing the letter S and unscrambling idemset

More anagrams containing the letters I D E M S E T S
idemsset idemsste metssied mdisstee