revamp vs vamp

revamp is not a noun while vamp is a noun.

Word	Noun	Adjective	Verb	Adverb
revamp	No	No	Yes	No
vamp	Yes	No	Yes	No

As verbs, revamp and vamp are synonyms defined as:

revamp (noun)	vamp (noun)
	piece of leather forming the front part of the upper of a shoe
	an improvised musical accompaniment
	a seductive woman who uses her sex appeal to exploit men

revamp (verb)	vamp (verb)
to patch up or renovate; repair or restore	provide (a shoe) with a new vamp
provide (a shoe) with a new vamp	act seductively with (someone)
	piece (something old) with a new part
	make up