pilotage vs navigation

pilotage and navigation both are nouns.

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

As nouns, pilotage and navigation are synonyms defined as:

pilotage and navigation: the guidance of ships or airplanes from place to place

Other synonyms of pilotage include piloting.

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