cook up vs vamp up

cook up and vamp up both are verbs.

Word	Noun	Adjective	Verb	Adverb
cook up	No	No	Yes	No
vamp up	No	No	Yes	No

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

Other hyponyms of cook up include mythologise, mythologize, confabulate, concoct, trump up, spin, vamp.

cook up (verb)	vamp up (verb)
concoct something artificial or untrue	piece (something old) with a new part
prepare or cook by mixing ingredients	make up