clot buster vs Activase

clot buster and Activase both are nouns.

Word	Noun	Adjective	Verb	Adverb
clot buster	Yes	No	No	No
Activase	Yes	No	No	No

As nouns, Activase is a hyponym of clot buster; that is, Activase is a word with a more specific, narrower meaning than clot buster:

clot buster: a kind of pharmaceutical that can break up clots blocking the flow of blood to the heart muscle
Activase: a thrombolytic agent (trade name Activase) that causes fibrinolysis at the site of a blood clot; used in treating acute myocardial infarction

Other hyponyms of clot buster include tissue plasminogen activator.

clot buster (noun)	Activase (noun)
a kind of pharmaceutical that can break up clots blocking the flow of blood to the heart muscle	a thrombolytic agent (trade name Activase) that causes fibrinolysis at the site of a blood clot; used in treating acute myocardial infarction