queen vs Isabella I

queen and Isabella I both are nouns.

Word	Noun	Adjective	Verb	Adverb
queen	Yes	No	Yes	No
Isabella I	Yes	No	No	No

queen (noun)	Isabella I (noun)
the only fertile female in a colony of social insects such as bees and ants and termites; its function is to lay eggs	the queen of Castile whose marriage to Ferdinand of Aragon in 1469 marked the beginning of the modern state of Spain; they instituted the Spanish Inquisition in 1478 and sponsored the voyages of Christopher Columbus in 1492 (1451-1504)
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)	Isabella I (verb)
become a queen
promote to a queen, as of a pawn in chess