hide out vs hole up

hide out and hole up both are verbs.

Word	Noun	Adjective	Verb	Adverb
hide out	No	No	Yes	No
hole up	No	No	Yes	No

As verbs, hole up is a hyponym of hide out; that is, hole up is a word with a more specific, narrower meaning than hide out:

hide out: be or go into hiding; keep out of sight, as for protection and safety
hole up: remain secluded or in hiding

Other hyponyms of hide out include lie low, stow away, hunker down, lie low, earth.

hide out (verb)	hole up (verb)
be or go into hiding; keep out of sight, as for protection and safety	sleep during winter
	score a hole in one
	remain secluded or in hiding