operator vs depreciation

operator and depreciation both are nouns.

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

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