Unscramble Isysm

What is the meaning of word isysm unscrambled?

What 5 letter words can be made from letters I S Y S M:

1. missy - Definition of missy

2. Mysis - Definition of Mysis

Make more words by adding or removing letters

How many 4 letter words can you make from letters I S Y S M?

1. isms - Definition of isms

2. Miss - Definition of Miss

3. sims - Definition of sims

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling sysm
2) Removing the letter S and unscrambling iysm
3) Removing the letter Y and unscrambling issm
4) Removing the letter S and unscrambling isym
5) Removing the letter M and unscrambling isys

More anagrams containing the letters I S Y S M
iymss iysms msysi ssymi