queen vs Mary Stuart

queen and Mary Stuart both are nouns.

Word	Noun	Adjective	Verb	Adverb
queen	Yes	No	Yes	No
Mary Stuart	Yes	No	No	No

queen (noun)	Mary Stuart (noun)
the only fertile female in a colony of social insects such as bees and ants and termites; its function is to lay eggs	queen of Scotland from 1542 to 1567; as a Catholic she was forced to abdicate in favor of her son and fled to England where she was imprisoned by Elizabeth I; when Catholic supporters plotted to put her on the English throne she was tried and executed for sedition (1542-1587)
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
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)	Mary Stuart (verb)
become a queen
promote to a queen, as of a pawn in chess