popinjay vs depreciation

popinjay and depreciation both are nouns.

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

popinjay (noun)	depreciation (noun)
an archaic term for a parrot	a decrease in price or value
a vain and talkative person (chatters like a parrot)	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use