vamp up vs fabricate

vamp up and fabricate both are verbs.

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

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

Other hypernyms of vamp up include cook up, invent, make up, manufacture.

vamp up (verb)	fabricate (verb)
piece (something old) with a new part	concoct something artificial or untrue
make up	put together out of artificial or natural components or parts