torpor vs hibernation

torpor and hibernation both are nouns.

Word	Noun	Adjective	Verb	Adverb
torpor	Yes	No	No	No
hibernation	Yes	No	No	No

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

torpor: a state of motor and mental inactivity with a partial suspension of sensibility
hibernation: the torpid or resting state in which some animals pass the winter

Other hyponyms of torpor include lassitude, lethargy, sluggishness.

torpor (noun)	hibernation (noun)
inactivity resulting from lethargy and lack of vigor or energy	the act of retiring into inactivity
a state of motor and mental inactivity with a partial suspension of sensibility	the torpid or resting state in which some animals pass the winter
	cessation from or slowing of activity during the winter; especially slowing of metabolism in some animals