refuge vs safe house

refuge and safe house both are nouns.

Word	Noun	Adjective	Verb	Adverb
refuge	Yes	No	No	No
safe house	Yes	No	No	No

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

refuge: a shelter from danger or hardship
safe house: a house used as a hiding place or refuge by members of certain organizations

Other hyponyms of refuge include harbor, harbour, safehold.

refuge (noun)	safe house (noun)
act of turning to for assistance	a house used as a hiding place or refuge by members of certain organizations
a shelter from danger or hardship
something or someone turned to for assistance or security
a safe place