passage vs throat

passage and throat both are nouns.

Word	Noun	Adjective	Verb	Adverb
passage	Yes	No	No	No
throat	Yes	No	No	No

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

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

passage (noun)	throat (noun)
a journey usually by ship	the part of an animal's body that corresponds to a person's throat
the passing of a law by a legislative body	a passage resembling a throat in shape or function
the act of passing something to another person	an opening in the vamp of a shoe at the instep
the act of passing from one state or place to the next	the passage to the stomach and lungs; in the front part of the neck below the chin and above the collarbone
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