nasal vs pinched

nasal is a noun but pinched is not a noun.

Word	Noun	Adjective	Verb	Adverb
nasal	Yes	Yes	No	No
pinched	No	Yes	No	No

As adjectives, nasal and pinched are synonyms defined as:

Other synonyms of nasal include adenoidal.

nasal (noun)	pinched (noun)
an elongated rectangular bone that forms the bridge of the nose
a consonant produced through the nose with the mouth closed

nasal (adjective)	pinched (adjective)
of or in or relating to the nose	as if squeezed uncomfortably tight
sounding as if the nose were pinched	sounding as if the nose were pinched
	not having enough money to pay for necessities
	very thin especially from disease or hunger or cold