highbrowed vs intellectual

highbrowed is not a noun while intellectual is a noun.

Word	Noun	Adjective	Verb	Adverb
highbrowed	No	Yes	No	No
intellectual	Yes	Yes	No	No

highbrowed (noun)	intellectual (noun)
	a person who uses the mind creatively

highbrowed (adjective)	intellectual (adjective)
highly cultured or educated	appealing to or using the intellect
	involving intelligence rather than emotions or instinct
	of or associated with or requiring the use of the mind