thrombolytic therapy vs therapy

thrombolytic therapy and therapy both are nouns.

Word	Noun	Adjective	Verb	Adverb
thrombolytic therapy	Yes	No	No	No
therapy	Yes	No	No	No

As nouns, therapy is a hypernym of thrombolytic therapy; that is, therapy is a word with a broader meaning than thrombolytic therapy:

thrombolytic therapy: therapy consisting of the administration of a pharmacological agent to cause thrombolysis of an abnormal blood clot
therapy: (medicine) the act of caring for someone (as by medication or remedial training etc.)

Other hypernyms of thrombolytic therapy include treatment.

thrombolytic therapy (noun)	therapy (noun)
therapy consisting of the administration of a pharmacological agent to cause thrombolysis of an abnormal blood clot	(medicine) the act of caring for someone (as by medication or remedial training etc.)