marine vs navigation

marine and navigation both are nouns.

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

marine (noun)	navigation (noun)
a soldier who serves both on shipboard and on land	the guidance of ships or airplanes from place to place
	the work of a sailor
	ship traffic

marine (adjective)	navigation (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