queen vs Esther

queen and Esther both are nouns.

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

queen (noun)	Esther (noun)
the only fertile female in a colony of social insects such as bees and ants and termites; its function is to lay eggs	an Old Testament book telling of a beautiful Jewess who became queen of Persia and saved her people from massacre
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	(Old Testament) a beautiful Jewess chosen by the king of Persia to be his queen; she stopped a plot to massacre all the Jews in Persia (an event celebrated by Jews as the feast of Purim)
female cat
(chess) the most powerful piece
one of four face cards in a deck bearing a picture of a queen
a female sovereign ruler
the wife or widow of a king
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

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