poet vs Sylvia Plath

poet and Sylvia Plath both are nouns.

Word	Noun	Adjective	Verb	Adverb
poet	Yes	No	No	No
Sylvia Plath	Yes	No	No	No

poet (noun)	Sylvia Plath (noun)
a writer of poems (the term is usually reserved for writers of good poetry)	United States writer and poet (1932-1963)