slowness vs depreciation

slowness and depreciation both are nouns.

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

slowness (noun)	depreciation (noun)
a rate demonstrating an absence of haste or hurry	a decrease in price or value
lack of normal development of intellectual capacities	a communication that belittles somebody or something
unskillfulness resulting from a lack of training	decrease in value of an asset due to obsolescence or use