approach pattern vs route

approach pattern and route both are nouns.

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

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

approach 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 approach pattern include itinerary, path.

approach 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

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