medicine vs radiation therapy

medicine and radiation therapy both are nouns.

Word	Noun	Adjective	Verb	Adverb
medicine	Yes	No	Yes	No
radiation therapy	Yes	No	No	No

medicine (noun)	radiation therapy (noun)
the learned profession that is mastered by graduate training in a medical school and that is devoted to preventing or alleviating or curing diseases and injuries	(medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance
punishment for one's actions
(medicine) something that treats or prevents or alleviates the symptoms of disease
the branches of medical science that deal with nonsurgical techniques

medicine (verb)	radiation therapy (verb)
treat medicinally, treat with medicine