propoxyphene vs Darvon

propoxyphene and Darvon both are nouns.

Word	Noun	Adjective	Verb	Adverb
propoxyphene	Yes	No	No	No
Darvon	Yes	No	No	No

As nouns, propoxyphene and Darvon are synonyms defined as:

propoxyphene and Darvon: a mildly narcotic analgesic drug (trade name Darvon) related to methadone but less addictive

Other synonyms of propoxyphene include propoxyphene hydrochloride.

propoxyphene (noun)	Darvon (noun)
a mildly narcotic analgesic drug (trade name Darvon) related to methadone but less addictive	a mildly narcotic analgesic drug (trade name Darvon) related to methadone but less addictive