depreciation vs ambusher

depreciation and ambusher both are nouns.

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

depreciation (noun)	ambusher (noun)
a decrease in price or value	an attacker who waits in a concealed position to launch a surprise attack
a communication that belittles somebody or something
decrease in value of an asset due to obsolescence or use