nucleoside reverse transcriptase inhibitor vs highly active antiretroviral therapy

nucleoside reverse transcriptase inhibitor and highly active antiretroviral therapy both are nouns.

Word	Noun	Adjective	Verb	Adverb
nucleoside reverse transcriptase inhibitor	Yes	No	No	No
highly active antiretroviral therapy	Yes	No	No	No

nucleoside reverse transcriptase inhibitor (noun)	highly active antiretroviral therapy (noun)
an antiviral drug used against HIV; is incorporated into the DNA of the virus and stops the building process; results in incomplete DNA that cannot create a new virus; often used in combination with other drugs	a combination of protease inhibitors taken with reverse transcriptase inhibitors; used in treating AIDS and HIV