king vs queen

king and queen both are nouns.

Word	Noun	Adjective	Verb	Adverb
king	Yes	No	No	No
queen	Yes	No	Yes	No

king (noun)	queen (noun)
(chess) the weakest but the most important piece	the only fertile female in a colony of social insects such as bees and ants and termites; its function is to lay eggs
one of the four playing cards in a deck bearing the picture of a king	an especially large mole rat and the only member of a colony of naked mole rats to bear offspring which are sired by only a few males
a checker that has been moved to the opponent's first row where it is promoted to a piece that is free to move either forward or backward	female cat
a male sovereign; ruler of a kingdom	(chess) the most powerful piece
a very wealthy or powerful businessman	one of four face cards in a deck bearing a picture of a queen
a male competitor who holds a preeminent position	a female sovereign ruler
the husband or widower of a queen	the wife or widow of a king
preeminence in a particular category or group or field	offensive term for a homosexual man
	something personified as a woman who is considered the best or most important of her kind
	a female competitor who holds a preeminent position

king (verb)	queen (verb)
	become a queen
	promote to a queen, as of a pawn in chess