Manichaism or Manicheism: How To spell?
The word Manichaism is misspelled against Manicheism, a noun meaning "The doctrines taught, or system of principles maintained, by the Manichaeans."
Word contains consecutive vowels 'EI' in between alphabets manich & sm is misspelled as 'AI'Wrong Spelling:  manich-ai-sm  Correct Spelling:  manich-ei-sm 
Find more wrongly spelled words of Manicheism to spell it well.