depreciation vs operator

depreciation and operator both are nouns.

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

depreciation (noun)	operator (noun)
a decrease in price or value	an agent that operates some apparatus or machine
a communication that belittles somebody or something	someone who owns or operates a business
decrease in value of an asset due to obsolescence or use	a shrewd or unscrupulous person who knows how to circumvent difficulties
	a speculator who trades aggressively on stock or commodity markets
	(mathematics) a symbol or function representing a mathematical operation