Beethoven vs composer

Beethoven and composer both are nouns.

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

Beethoven (noun)	composer (noun)
the music of Beethoven	someone who composes music, usually as a profession
German composer of instrumental music (especially symphonic and chamber music); continued to compose after he lost his hearing (1770-1827)