hatchet man vs depreciation

hatchet man and depreciation both are nouns.

Word	Noun	Adjective	Verb	Adverb
hatchet man	Yes	No	No	No
depreciation	Yes	No	No	No

hatchet man (noun)	depreciation (noun)
one whose job it is to execute unpleasant tasks for a superior	a decrease in price or value
a professional killer	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use