fare vs bus fare

fare and bus fare both are nouns.

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

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

Other hyponyms of fare include airfare, carfare, cab fare, taxi fare, train fare.

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

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