poor people vs depreciation

poor people and depreciation both are nouns.

Word	Noun	Adjective	Verb	Adverb
poor people	Yes	No	No	No
depreciation	Yes	No	No	No

poor people (noun)	depreciation (noun)
people without possessions or wealth (considered as a group)	a decrease in price or value
	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use