depreciation vs ungrateful person

depreciation and ungrateful person both are nouns.

Word	Noun	Adjective	Verb	Adverb
depreciation	Yes	No	No	No
ungrateful person	Yes	No	No	No

depreciation (noun)	ungrateful person (noun)
a decrease in price or value	a person who shows no gratitude
a communication that belittles somebody or something
decrease in value of an asset due to obsolescence or use