Monothesm or Monotheism: How To spell?

The word Monothesm is misspelled against Monotheism, a noun meaning "The doctrine or belief that there is but one God."

Word contains consecutive vowels 'EI' in between alphabets monoth & sm is misspelled as 'E' as letter 'I' is phonetically ignor
Wrong Spelling:  monoth-e-sm 
Correct Spelling:  monoth-ei-sm 
Find more incorrect spellings of Monotheism to spell right way.