methadone hydrochloride vs methadon

methadone hydrochloride and methadon both are nouns.

Word	Noun	Adjective	Verb	Adverb
methadone hydrochloride	Yes	No	No	No
methadon	Yes	No	No	No

As nouns, methadone hydrochloride and methadon are synonyms defined as:

methadone hydrochloride and methadon: synthetic narcotic drug similar to morphine but less habit-forming; used in narcotic detoxification and maintenance of heroin addiction

Other synonyms of methadone hydrochloride include dolophine hydrochloride, fixer, methadone, synthetic heroin.

methadone hydrochloride (noun)	methadon (noun)
synthetic narcotic drug similar to morphine but less habit-forming; used in narcotic detoxification and maintenance of heroin addiction	synthetic narcotic drug similar to morphine but less habit-forming; used in narcotic detoxification and maintenance of heroin addiction