Dilaudid vs hydromorphone

Dilaudid and hydromorphone both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dilaudid	Yes	No	No	No
hydromorphone	Yes	No	No	No

As nouns, Dilaudid and hydromorphone are synonyms defined as:

Dilaudid and hydromorphone: a narcotic analgesic (trade name Dilaudid) used to treat moderate to severe pain

Other synonyms of Dilaudid include hydromorphone hydrochloride.

Dilaudid (noun)	hydromorphone (noun)
a narcotic analgesic (trade name Dilaudid) used to treat moderate to severe pain	a narcotic analgesic (trade name Dilaudid) used to treat moderate to severe pain