vocalize vs articulate

vocalize is not an adjective while articulate is an adjective.

Word	Noun	Adjective	Verb	Adverb
vocalize	No	No	Yes	No
articulate	No	Yes	Yes	No

As verbs, articulate is a hypernym of vocalize; that is, articulate is a word with a broader meaning than vocalize:

Other hypernyms of vocalize include enounce, enunciate, pronounce, say, sound out.

As verbs, vocalize and articulate are synonyms defined as:

Other synonyms of vocalize include enunciate, vocalise.

As verbs, articulate is a hypernym of vocalize; that is, articulate is a word with a broader meaning than vocalize:

Other hypernyms of vocalize include enounce, enunciate, pronounce, say, sound out.

vocalize (adjective)	articulate (adjective)
	expressing yourself easily or characterized by clear expressive language
	consisting of segments held together by joints

vocalize (verb)	articulate (verb)
pronounce as a vowel	speak, pronounce, or utter in a certain way
express or state clearly	express or state clearly
utter with vibrating vocal chords	put into words or an expression
utter speech sounds	provide with a joint
sing (each note a scale or in a melody) with the same vowel	unite by forming a joint or joints