traffic circle vs route

traffic circle and route both are nouns.

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

traffic circle (noun)	route (noun)
a road junction at which traffic streams circularly around a central island	an open way (generally public) for travel or transportation
	an established line of travel or access

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