composer vs Haydn

composer and Haydn both are nouns.

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

composer (noun)	Haydn (noun)
someone who composes music, usually as a profession	the music of Haydn
	prolific Austrian composer who influenced the classical form of the symphony (1732-1809)