hibernate vs hole up

hibernate and hole up both are verbs.

Word	Noun	Adjective	Verb	Adverb
hibernate	No	No	Yes	No
hole up	No	No	Yes	No

As verbs, hibernate and hole up are synonyms defined as:

hibernate (verb)	hole up (verb)
sleep during winter	sleep during winter
be in an inactive or dormant state	score a hole in one
	remain secluded or in hiding