punishment vs medicine

punishment and medicine both are nouns.

Word	Noun	Adjective	Verb	Adverb
punishment	Yes	No	No	No
medicine	Yes	No	Yes	No

As nouns, medicine is a hyponym of punishment; that is, medicine is a word with a more specific, narrower meaning than punishment:

punishment (noun)	medicine (noun)
the act of punishing, or the infliction of a penalty	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
	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

punishment (verb)	medicine (verb)
	treat medicinally, treat with medicine