main road vs interchange

main road and interchange both are nouns.

Word	Noun	Adjective	Verb	Adverb
main road	Yes	No	No	No
interchange	Yes	No	Yes	No

main road (noun)	interchange (noun)
a major road for any form of motor transport	the act of changing one thing for another thing
	mutual interaction; the activity of reciprocating or exchanging (especially information)
	reciprocal transfer of equivalent sums of money (especially the currencies of different countries)
	a junction of highways on different levels that permits traffic to move from one to another without crossing traffic streams

main road (verb)	interchange (verb)
	reverse (a direction, attitude, or course of action)
	cause to change places
	give to, and receive from, one another
	put in the place of another; switch seemingly equivalent items