Unscramble Seiism

What is the meaning of word seiism unscrambled?

What 6 letter words can be made from letters S E I I S M:

Make more words by adding or removing letters

How many 5 letter words can you make from letters S E I I S M?

1. issei - Definition of issei

2. mises - Definition of mises

3. seism - Definition of seism

4. semis - Definition of semis

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter S and unscrambling eiism
2) Removing the letter E and unscrambling siism
3) Removing the letter I and unscrambling seism
4) Removing the letter I and unscrambling seism
5) Removing the letter S and unscrambling seiim
6) Removing the letter M and unscrambling seiis

More anagrams containing the letters S E I I S M
seimis seimsi siimse meiiss