composer vs Sullivan

composer and Sullivan both are nouns.

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

composer (noun)	Sullivan (noun)
someone who composes music, usually as a profession	English composer of operettas who collaborated with the librettist William Gilbert (1842-1900)
	United States educator who was the teacher and lifelong companion of Helen Keller (1866-1936)
	United States host on a well known television variety show (1902-1974)
	United States psychiatrist (1892-1949)
	United States architect known for his steel framed skyscrapers and for coining the phrase `form follows function' (1856-1924)