chairman vs woman

chairman and woman both are nouns.

Word	Noun	Adjective	Verb	Adverb
chairman	Yes	No	Yes	No
woman	Yes	No	No	No

As nouns, woman is a hypernym of chairman; that is, woman is a word with a broader meaning than chairman:

Other hypernyms of chairman include chair, chairperson, president, adult female.

chairman (noun)	woman (noun)
the male officer who presides at the meetings of an organization	women as a class
	an adult female person (as opposed to a man)
	a female person who plays a significant role (wife or mistress or girlfriend) in the life of a particular man

chairman (verb)	woman (verb)
act or preside as chair, as of an academic department in a university