cab fare vs fare

cab fare and fare both are nouns.

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

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

Other hypernyms of cab fare include transportation.

cab fare (noun)	fare (noun)
the fare charged for riding in a taxicab	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

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