Crixivan vs protease inhibitor

Crixivan and protease inhibitor both are nouns.

Word	Noun	Adjective	Verb	Adverb
Crixivan	Yes	No	No	No
protease inhibitor	Yes	No	No	No

As nouns, protease inhibitor is a hypernym of Crixivan; that is, protease inhibitor is a word with a broader meaning than Crixivan:

Crixivan: a protease inhibitor (trade name Crixivan) used for treating HIV
protease inhibitor: an antiviral drug used against HIV; interrupts HIV replication by binding and blocking HIV protease; often used in combination with other drugs

Other hypernyms of Crixivan include PI.

Crixivan (noun)	protease inhibitor (noun)
a protease inhibitor (trade name Crixivan) used for treating HIV	an antiviral drug used against HIV; interrupts HIV replication by binding and blocking HIV protease; often used in combination with other drugs