navigate vs navigation

navigate is not a noun while navigation is a noun.

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

navigate (noun)	navigation (noun)
	the guidance of ships or airplanes from place to place
	the work of a sailor
	ship traffic

navigate (verb)	navigation (verb)
act as the navigator in a car, plane, or vessel and plan, direct, plot the path and position of the conveyance
travel on water propelled by wind or by other means
direct carefully and safely