highly active antiretroviral therapy vs NRTI

highly active antiretroviral therapy and NRTI both are nouns.

Word	Noun	Adjective	Verb	Adverb
highly active antiretroviral therapy	Yes	No	No	No
NRTI	Yes	No	No	No

highly active antiretroviral therapy (noun)	NRTI (noun)
a combination of protease inhibitors taken with reverse transcriptase inhibitors; used in treating AIDS and HIV	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