Rob Roy MacGregor vs depreciation

Rob Roy MacGregor and depreciation both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rob Roy MacGregor	Yes	No	No	No
depreciation	Yes	No	No	No

Rob Roy MacGregor (noun)	depreciation (noun)
Scottish clan leader and outlaw who was the subject of a 1817 novel by Sir Walter Scott (1671-1734)	a decrease in price or value
	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use