bus fare vs fare

bus fare and fare both are nouns.

Word	Noun	Adjective	Verb	Adverb
bus fare	Yes	No	No	No
fare	Yes	No	Yes	No

As nouns, fare is a hypernym of bus fare; that is, fare is a word with a broader meaning than bus fare:

Other hypernyms of bus fare include transportation.

bus fare (noun)	fare (noun)
the fare charged for riding a bus or streetcar	an agenda of things to do
	the food and drink that are regularly served or consumed
	a paying (taxi) passenger
	the sum charged for riding in a public conveyance

bus fare (verb)	fare (verb)
	eat well
	proceed or get along