dig up vs nuzzle

dig up and nuzzle both are verbs.

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

As verbs, nuzzle is a hyponym of dig up; that is, nuzzle is a word with a more specific, narrower meaning than dig up:

Other hyponyms of dig up include grub out, grub up, disinter, exhume.

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