feeder line vs route

feeder line and route both are nouns.

Word	Noun	Adjective	Verb	Adverb
feeder line	Yes	No	No	No
route	Yes	No	Yes	No

As nouns, route is a hypernym of feeder line; that is, route is a word with a broader meaning than feeder line:

feeder line: a branching path off of a main transportation line (especially an airline)
route: an established line of travel or access

Other hypernyms of feeder line include itinerary, path.

feeder line (noun)	route (noun)
a branching path off of a main transportation line (especially an airline)	an open way (generally public) for travel or transportation
	an established line of travel or access

feeder line (verb)	route (verb)
	send via a specific route
	divert in a specified direction
	send documents or materials to appropriate destinations