intellectual vs highbrowed

intellectual is a noun but highbrowed is not a noun.

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

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

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