passage vs right of way

passage and right of way both are nouns.

Word	Noun	Adjective	Verb	Adverb
passage	Yes	No	No	No
right of way	Yes	No	No	No

As nouns, right of way is a hyponym of passage; that is, right of way is a word with a more specific, narrower meaning than passage:

passage: a way through or along which someone or something may pass
right of way: the passage consisting of a path or strip of land over which someone has the legal right to pass

Other hyponyms of passage include adit, aisle, channel, conduit, cul, cul de sac, dead end, fish ladder, passageway, shaft, throat.

passage (noun)	right of way (noun)
a journey usually by ship	the passage consisting of a path or strip of land over which someone has the legal right to pass
the passing of a law by a legislative body	the right of one vehicle or vessel to take precedence over another
the act of passing something to another person	the privilege of someone to pass over land belonging to someone else
the act of passing from one state or place to the next
a bodily reaction of changing from one place or stage to another
a way through or along which someone or something may pass
a path or channel or duct through or along which something may pass
a section of text; particularly a section of medium length
a short section of a musical composition
the motion of one object relative to another