high-pitched vs treble

high-pitched is not a noun while treble is a noun.

Word	Noun	Adjective	Verb	Adverb
high-pitched	No	Yes	No	No
treble	Yes	Yes	Yes	No

high-pitched (noun)	treble (noun)
	the pitch range of the highest female voice

high-pitched (adjective)	treble (adjective)
used of sounds and voices; high in pitch or frequency	having or denoting a high range
set at a sharp or high angle or slant	three times as great or many
	having three units or components or elements
	having more than one decidedly dissimilar aspects or qualities

high-pitched (verb)	treble (verb)
	increase threefold
	sing treble