Mozart vs composer

Mozart and composer both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mozart	Yes	No	No	No
composer	Yes	No	No	No

Mozart (noun)	composer (noun)
the music of Mozart	someone who composes music, usually as a profession
prolific Austrian composer and child prodigy; master of the classical style in all its forms of his time (1756-1791)