depreciation vs poor people

depreciation and poor people both are nouns.

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

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