tell vs vocalize

tell and vocalize both are verbs.

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

As verbs, vocalize is a hyponym of tell; that is, vocalize is a word with a more specific, narrower meaning than tell:

tell (verb)	vocalize (verb)
discern or comprehend	pronounce as a vowel
mark as different	express or state clearly
let something be known	utter with vibrating vocal chords
narrate or give a detailed account of	utter speech sounds
give instructions to or direct somebody to do something with authority	sing (each note a scale or in a melody) with the same vowel
give evidence
express in words
inform positively and with certainty and confidence