depreciation vs Robert MacGregor

depreciation and Robert MacGregor both are nouns.

Word	Noun	Adjective	Verb	Adverb
depreciation	Yes	No	No	No
Robert MacGregor	Yes	No	No	No

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