poet vs Thespis

poet and Thespis both are nouns.

Word	Noun	Adjective	Verb	Adverb
poet	Yes	No	No	No
Thespis	Yes	No	No	No

poet (noun)	Thespis (noun)
a writer of poems (the term is usually reserved for writers of good poetry)	Greek poet who is said to have originated Greek tragedy (sixth century BC)