Mazdyesm or Mazdeism: How To spell?

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

Word contains consecutive vowels 'EI' in between alphabets mazd & sm is misspelled as 'YE'
Wrong Spelling:  mazd-ye-sm 
Correct Spelling:  mazd-ei-sm 
Explore spell check of Mazdeism to spell without errors.