refuge vs harbourage

refuge and harbourage both are nouns.

Word	Noun	Adjective	Verb	Adverb
refuge	Yes	No	No	No
harbourage	Yes	No	No	No

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

Other hyponyms of refuge include harborage.

refuge (noun)	harbourage (noun)
act of turning to for assistance	(nautical) a place of refuge (as for a ship)
a shelter from danger or hardship
something or someone turned to for assistance or security
a safe place