dog in the manger vs depreciation

dog in the manger and depreciation both are nouns.

Word	Noun	Adjective	Verb	Adverb
dog in the manger	Yes	No	No	No
depreciation	Yes	No	No	No

dog in the manger (noun)	depreciation (noun)
someone who prevents you from enjoying something that they themselves have no need for	a decrease in price or value
	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use