nuzzle vs dig up

nuzzle and dig up both are verbs.

Word	Noun	Adjective	Verb	Adverb
nuzzle	No	No	Yes	No
dig up	No	No	Yes	No

As verbs, dig up is a hypernym of nuzzle; that is, dig up is a word with a broader meaning than nuzzle:

Other hypernyms of nuzzle include excavate, turn up.

nuzzle (verb)	dig up (verb)
rub noses	find by digging in the ground
dig out with the snout	remove, harvest, or recover by digging
move or arrange oneself in a comfortable and cozy position