pinhead vs depreciation

pinhead and depreciation both are nouns.

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

pinhead (noun)	depreciation (noun)
the head of a pin	a decrease in price or value
an ignorant or foolish person	a communication that belittles somebody or something
	decrease in value of an asset due to obsolescence or use