valid vs legitimate

valid and legitimate both are adjectives.

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

valid (adjective)	legitimate (adjective)
well grounded in logic or truth or having legal force	of marriages and offspring; recognized as lawful
still legally acceptable	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

valid (verb)	legitimate (verb)
	make (an illegitimate child) legitimate; declare the legitimacy of (someone)
	show or affirm to be just and legitimate
	make legal