Autothaesm or Autotheism: How To spell?

The word Autothaesm is misspelled against Autotheism, a noun meaning "Deification of one's self; self-worship."

Word contains consecutive vowels 'EI' in between alphabets autoth & sm is misspelled as 'AE'
Wrong Spelling:  autoth-ae-sm 
Correct Spelling:  autoth-ei-sm 
Check more misspelled words of Autotheism to spell it correct.