depreciation vs wharf rat

depreciation and wharf rat both are nouns.

Word	Noun	Adjective	Verb	Adverb
depreciation	Yes	No	No	No
wharf rat	Yes	No	No	No

depreciation (noun)	wharf rat (noun)
a decrease in price or value	brown rat that infests wharves
a communication that belittles somebody or something	someone who lives near wharves and lives by pilfering from ships or warehouses
decrease in value of an asset due to obsolescence or use