depreciation vs suppress

depreciation is a noun but suppress is not a noun.

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

depreciation (noun)	suppress (noun)
a decrease in price or value
a communication that belittles somebody or something
decrease in value of an asset due to obsolescence or use

depreciation (verb)	suppress (verb)
	bring under control by force or authority
	lessen to the point of stopping
	put out of one's consciousness
	consciously restrain from showing; of emotions, desires, impulses, or behavior
	come down on or keep down by unjust use of one's authority