pinched vs poor

pinched is not a noun while poor is a noun.

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

pinched (noun)	poor (noun)
	people without possessions or wealth (considered as a group)

pinched (adjective)	poor (adjective)
as if squeezed uncomfortably tight	having little money or few possessions
sounding as if the nose were pinched	lacking in quality or substances
not having enough money to pay for necessities	characterized by or indicating poverty
very thin especially from disease or hunger or cold	of insufficient quantity to meet a need
	deserving or inciting pity