sea king vs depreciation

sea king and depreciation both are nouns.

Word	Noun	Adjective	Verb	Adverb
sea king	Yes	No	No	No
depreciation	Yes	No	No	No

sea king (noun)	depreciation (noun)
a Viking pirate chief	a decrease in price or value
	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use