navigator vs Vancouver

navigator and Vancouver both are nouns.

Word	Noun	Adjective	Verb	Adverb
navigator	Yes	No	No	No
Vancouver	Yes	No	No	No

navigator (noun)	Vancouver (noun)
in earlier times, a person who explored by ship	a port city in southwestern British Columbia on an arm of the Pacific Ocean opposite Vancouver Island; Canada's chief Pacific port and third largest city
the member of an aircrew who is responsible for the aircraft's course	a town in southwestern Washington on the Columbia River across from Portland, Oregon
the ship's officer in charge of navigation	English navigator remembered for his exploration of the Pacific coast of North America (1757-1798)