maximize vs maximum

maximize is not a noun while maximum is a noun.

Word	Noun	Adjective	Verb	Adverb
maximize	No	No	Yes	No
maximum	Yes	Yes	No	No

maximize (noun)	maximum (noun)
	the greatest possible degree
	the point on a curve where the tangent changes from positive on the left to negative on the right
	the largest possible quantity

maximize (adjective)	maximum (adjective)
	the greatest or most complete or best possible

maximize (verb)	maximum (verb)
make as big or large as possible
make the most of