vocalizer vs being

vocalizer and being both are nouns.

Word	Noun	Adjective	Verb	Adverb
vocalizer	Yes	No	No	No
being	Yes	No	No	No

As nouns, being is a hypernym of vocalizer; that is, being is a word with a broader meaning than vocalizer:

vocalizer: an organism that can utter vocal sounds
being: a living thing that has (or can develop) the ability to act or function independently

Other hypernyms of vocalizer include organism.

vocalizer (noun)	being (noun)
a person who sings	a living thing that has (or can develop) the ability to act or function independently
an organism that can utter vocal sounds	the state or fact of existing