playwright vs William Wycherley

playwright and William Wycherley both are nouns.

Word	Noun	Adjective	Verb	Adverb
playwright	Yes	No	No	No
William Wycherley	Yes	No	No	No

playwright (noun)	William Wycherley (noun)
someone who writes plays	English playwright noted for his humorous and satirical plays (1641-1716)