composer vs Felix Mendelssohn

composer and Felix Mendelssohn both are nouns.

Word	Noun	Adjective	Verb	Adverb
composer	Yes	No	No	No
Felix Mendelssohn	Yes	No	No	No

composer (noun)	Felix Mendelssohn (noun)
someone who composes music, usually as a profession	German musician and romantic composer of orchestral and choral works (1809-1847)