As nouns the difference between coneine and codeine
is that coneine is dated form of conine while codeine is an addictive alkaloid narcotic derived from opium and used as a hypnotic, analgesic and cough suppressant; often mixed with aspirin etc.
(pharmaceutical drug) An addictive alkaloid narcotic derived from opium and used as a hypnotic, analgesic and cough suppressant; often mixed with aspirin etc.