extemporize vs extemporization

extemporize is not a noun while extemporization is a noun.

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

extemporize (noun)	extemporization (noun)
	a performance given extempore without planning or preparation

extemporize (verb)	extemporization (verb)
perform without preparation
manage in a makeshift way; do with whatever is at hand