methadone vs methadone hydrochloride

methadone and methadone hydrochloride both are nouns.

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

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

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

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

methadone (noun)	methadone hydrochloride (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