Doentology or Deontology: How To spell?

The word Doentology is misspelled against Deontology, a noun meaning "The science relat/ to duty or moral obligation."

Word contains consecutive vowels 'EO' in between alphabets d & ntology is misspelled as 'OE'
Wrong Spelling:  d-oe-ntology 
Correct Spelling:  d-eo-ntology 
Find more incorrect spellings of Deontology to spell right way.