Polyyedism or Polyeidism: How To spell?

The word Polyyedism is misspelled against Polyeidism, a noun meaning "The quality or state of being polyeidic."

Word contains consecutive vowels 'EI' in between alphabets poly & dism is misspelled as 'YE'
Wrong Spelling:  poly-ye-dism 
Correct Spelling:  poly-ei-dism 
Find more incorrect spellings of Polyeidism to spell right way.