traffic pattern vs route

traffic pattern and route both are nouns.

Word	Noun	Adjective	Verb	Adverb
traffic pattern	Yes	No	No	No
route	Yes	No	Yes	No

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

traffic pattern: the path that is prescribed for an airplane that is preparing to land at an airport
route: an established line of travel or access

Other hypernyms of traffic pattern include itinerary, path.

traffic pattern (noun)	route (noun)
the path that is prescribed for an airplane that is preparing to land at an airport	an open way (generally public) for travel or transportation
	an established line of travel or access

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