Parseaesm or Parseeism: How To spell?

The word Parseaesm is misspelled against Parseeism, a noun meaning "The religion and customs of the Parsees."

Word contains consecutive vowels 'EI' in between alphabets parse & sm is misspelled as 'AE'
Wrong Spelling:  parse-ae-sm 
Correct Spelling:  parse-ei-sm 
Explore spell check of Parseeism to spell without errors.