Bitheusm or Bitheism: How To spell?

The word Bitheusm is misspelled against Bitheism, a noun meaning "Belief in the existence of two gods; dualism."

Word contains consecutive vowels 'EI' in between alphabets bith & sm is misspelled as 'EU'
Wrong Spelling:  bith-eu-sm 
Correct Spelling:  bith-ei-sm 
Check more misspelled words of Bitheism to spell it correct.