Caffaune or Caffeine: How To spell?

The word Caffaune is misspelled against Caffeine, a noun meaning "A white, bitter, crystallizable substance, obtained from coffee. It is identical with the alkaloid theine from tea leaves, and with guaranine from guarana."

Word contains consecutive vowels 'EI' in between alphabets caff & ne is misspelled as 'AU'
Wrong Spelling:  caff-au-ne 
Correct Spelling:  caff-ei-ne 
Check more misspelled words of Caffeine to spell it correct.