monetize vs legitimate

monetize is not an adjective while legitimate is an adjective.

Word	Noun	Adjective	Verb	Adverb
monetize	No	No	Yes	No
legitimate	No	Yes	Yes	No

As verbs, legitimate is a hypernym of monetize; that is, legitimate is a word with a broader meaning than monetize:

monetize (adjective)	legitimate (adjective)
	of marriages and offspring; recognized as lawful
	in accordance with recognized or accepted standards or principles
	authorized, sanctioned by, or in accordance with law
	based on known statements or events or conditions

monetize (verb)	legitimate (verb)
give legal value to or establish as the legal tender of a country	make (an illegitimate child) legitimate; declare the legitimacy of (someone)
	show or affirm to be just and legitimate
	make legal