Narceune or Narceine: How To spell?

The word Narceune is misspelled against Narceine, a noun meaning "An alkaloid found in small quantities in opium, and extracted as a white crystalline substance of a bitter astringent taste. It is a narcotic. Called also narceia."

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