depreciation vs litterbug

depreciation and litterbug both are nouns.

Word	Noun	Adjective	Verb	Adverb
depreciation	Yes	No	No	No
litterbug	Yes	No	No	No

depreciation (noun)	litterbug (noun)
a decrease in price or value	a person who litters public places with refuse
a communication that belittles somebody or something
decrease in value of an asset due to obsolescence or use