America vs marine

America and marine both are nouns.

Word	Noun	Adjective	Verb	Adverb
America	Yes	No	No	No
marine	Yes	Yes	No	No

America (noun)	marine (noun)
North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776	a soldier who serves both on shipboard and on land
North America and South America and Central America

America (adjective)	marine (adjective)
	relating to or characteristic of or occurring on or in the sea
	of or relating to the sea
	of or relating to military personnel who serve both on land and at sea (specifically the U.S. Marine Corps)
	relating to or involving ships or shipping or navigation or seamen
	native to or inhabiting the sea