revamp vs furbish up

revamp and furbish up both are verbs.

Word	Noun	Adjective	Verb	Adverb
revamp	No	No	Yes	No
furbish up	No	No	Yes	No

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

revamp: provide (a shoe) with a new vamp
furbish up: restore by replacing a part or putting together what is torn or broken

Other hypernyms of revamp include bushel, doctor, fix, mend, repair, restore, touch on.

revamp (verb)	furbish up (verb)
to patch up or renovate; repair or restore	restore by replacing a part or putting together what is torn or broken
provide (a shoe) with a new vamp