navigation vs sailing

navigation and sailing both are nouns.

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

As nouns, navigation and sailing are synonyms defined as:

Other synonyms of navigation include seafaring.

navigation (noun)	sailing (noun)
the guidance of ships or airplanes from place to place	riding in a sailboat
the work of a sailor	the work of a sailor
ship traffic	the departure of a vessel from a port
	the activity of flying a glider