composer vs van Beethoven

composer and van Beethoven both are nouns.

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

composer (noun)	van Beethoven (noun)
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)