composer vs Mendelssohn

composer and Mendelssohn both are nouns.

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

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