hibernation vs hibernate

hibernation is a noun but hibernate is not a noun.

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

hibernation (noun)	hibernate (noun)
the act of retiring into inactivity
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

hibernation (verb)	hibernate (verb)
	sleep during winter
	be in an inactive or dormant state