Egothysm or Egotheism: How To spell?

The word Egothysm is misspelled against Egotheism, a noun meaning "The deification of self."

Word contains consecutive vowels 'EI' in between alphabets egoth & sm is misspelled as 'Y'
Wrong Spelling:  egoth-y-sm 
Correct Spelling:  egoth-ei-sm 
Find more incorrect spellings of Egotheism to spell right way.