depreciation vs dejection

depreciation and dejection both are nouns.

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

depreciation (noun)	dejection (noun)
a decrease in price or value	a state of melancholy depression
a communication that belittles somebody or something	solid excretory product evacuated from the bowels
decrease in value of an asset due to obsolescence or use