extemporize vs manage

extemporize and manage both are verbs.

Word	Noun	Adjective	Verb	Adverb
extemporize	No	No	Yes	No
manage	No	No	Yes	No

As verbs, manage is a hypernym of extemporize; that is, manage is a word with a broader meaning than extemporize:

extemporize: manage in a makeshift way; do with whatever is at hand
manage: succeed in doing, achieving, or producing (something) with the limited or inadequate means available

Other hypernyms of extemporize include contend, cope, deal, get by, grapple, make do, make out.

extemporize (verb)	manage (verb)
perform without preparation	handle effectively
manage in a makeshift way; do with whatever is at hand	be in charge of, act on, or dispose of
	watch and direct
	carry on or function
	succeed in doing, achieving, or producing (something) with the limited or inadequate means available
	achieve something by means of trickery or devious methods
	be successful; achieve a goal