cutthroat vs depreciation

cutthroat and depreciation both are nouns.

Word	Noun	Adjective	Verb	Adverb
cutthroat	Yes	Yes	No	No
depreciation	Yes	No	No	No

cutthroat (noun)	depreciation (noun)
someone who murders by cutting the victim's throat	a decrease in price or value
	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use

cutthroat (adjective)	depreciation (adjective)
ruthless in competition