protease inhibitor vs highly active antiretroviral therapy

protease inhibitor and highly active antiretroviral therapy both are nouns.

Word	Noun	Adjective	Verb	Adverb
protease inhibitor	Yes	No	No	No
highly active antiretroviral therapy	Yes	No	No	No

protease inhibitor (noun)	highly active antiretroviral therapy (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