Unscramble Onaddism

What is the meaning of word onaddism unscrambled?

What 8 letter words can be made from letters O N A D D I S M:

1. diamonds - Definition of diamonds

Make more words by adding or removing letters

How many 7 letter words can you make from letters O N A D D I S M?

1. daimons - Definition of daimons

2. diamond - Definition of diamond

3. domains - Definition of domains

4. Madison - Definition of Madison

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter O and unscrambling naddism
2) Removing the letter N and unscrambling oaddism
3) Removing the letter A and unscrambling onddism
4) Removing the letter D and unscrambling onadism
5) Removing the letter D and unscrambling onadism
6) Removing the letter I and unscrambling onaddsm
7) Removing the letter S and unscrambling onaddim
8) Removing the letter M and unscrambling onaddis

More anagrams containing the letters O N A D D I S M
onaddmis onaddmsi sidaondm odansmid