Uncle Tom vs depreciation

Uncle Tom and depreciation both are nouns.

Word	Noun	Adjective	Verb	Adverb
Uncle Tom	Yes	No	No	No
depreciation	Yes	No	No	No

Uncle Tom (noun)	depreciation (noun)
a servile black character in a novel by Harriet Beecher Stowe	a decrease in price or value
a servile black character in a novel by Harriet Beecher Stowe	a communication that belittles somebody or something
(ethnic slur) offensive and derogatory name for a Black man who is abjectly servile and deferential to Whites	decrease in value of an asset due to obsolescence or use