composer vs Schonberg

composer and Schonberg both are nouns.

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

composer (noun)	Schonberg (noun)
someone who composes music, usually as a profession	United States composer and musical theorist (born in Austria) who developed atonal composition (1874-1951)