guidance vs pilotage

guidance and pilotage both are nouns.

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

As nouns, pilotage is a hyponym of guidance; that is, pilotage is a word with a more specific, narrower meaning than guidance:

guidance (noun)	pilotage (noun)
the act of setting and holding a course	the guidance of ships or airplanes from place to place
the act of guiding or showing the way	the occupation of a pilot
something that provides direction or advice as to a decision or course of action