royal house vs queen

royal house and queen both are nouns.

Word	Noun	Adjective	Verb	Adverb
royal house	Yes	No	No	No
queen	Yes	No	Yes	No

royal house (noun)	queen (noun)
royal persons collectively	the only fertile female in a colony of social insects such as bees and ants and termites; its function is to lay eggs
	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

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