Metagramatism or Metagrammatism: How To spell?

The word Metagramatism is misspelled against Metagrammatism, a noun meaning "Anagrammatism."

Metagrammatism has double "mm" is mispronounced as "m"
Remember double 'MM' in between the strings metagra & atism which should not be misspelled with single 'M'
Wrong Spelling: metagra-m-atism
Correct Spelling: metagra-mm-atism
Find more wrongly spelled words of Metagrammatism to spell it well.