queen vs king

queen and king both are nouns.

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

queen (noun)	king (noun)
the only fertile female in a colony of social insects such as bees and ants and termites; its function is to lay eggs	(chess) the weakest but the most important piece
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	one of the four playing cards in a deck bearing the picture of a king
female cat	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
(chess) the most powerful piece	a male sovereign; ruler of a kingdom
one of four face cards in a deck bearing a picture of a queen	a very wealthy or powerful businessman
a female sovereign ruler	a male competitor who holds a preeminent position
the wife or widow of a king	the husband or widower of a queen
offensive term for a homosexual man	preeminence in a particular category or group or field
something personified as a woman who is considered the best or most important of her kind
a female competitor who holds a preeminent position

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