protease inhibitor vs drug cocktail

protease inhibitor and drug cocktail both are nouns.

Word	Noun	Adjective	Verb	Adverb
protease inhibitor	Yes	No	No	No
drug cocktail	Yes	No	No	No

protease inhibitor (noun)	drug cocktail (noun)
an antiviral drug used against HIV; interrupts HIV replication by binding and blocking HIV protease; often used in combination with other drugs	a combination of protease inhibitors taken with reverse transcriptase inhibitors; used in treating AIDS and HIV