composer vs Puccini

composer and Puccini both are nouns.

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

composer (noun)	Puccini (noun)
someone who composes music, usually as a profession	Italian operatic composer noted for the dramatic realism of his operas (1858-1924)