Mazdeusm or Mazdeism: How To spell?

The word Mazdeusm is misspelled against Mazdeism, a noun meaning "The Zoroastrian religion."

Word contains consecutive vowels 'EI' in between alphabets mazd & sm is misspelled as 'EU'
Wrong Spelling:  mazd-eu-sm 
Correct Spelling:  mazd-ei-sm 
Check more misspelled words of Mazdeism to spell it correct.