zero coupon bond vs government

zero coupon bond and government both are nouns.

Word	Noun	Adjective	Verb	Adverb
zero coupon bond	Yes	No	No	No
government	Yes	No	No	No

zero coupon bond (noun)	government (noun)
a bond that is issued at a deep discount from its value at maturity and pays no interest during the life of the bond; the commonest form of zero-coupon security	the act of governing; exercising authority
	(government) the system or form by which a community or other political unit is governed
	the study of government of states and other political units
	the organization that is the governing authority of a political unit