intersection vs carrefour

intersection and carrefour both are nouns.

Word	Noun	Adjective	Verb	Adverb
intersection	Yes	No	No	No
carrefour	Yes	No	No	No

As nouns, intersection and carrefour are synonyms defined as:

intersection and carrefour: a junction where one street or road crosses another

Other synonyms of intersection include crossing, crossroad, crossway.

intersection (noun)	carrefour (noun)
the act of intersecting (as joining by causing your path to intersect your target's path)	a junction where one street or road crosses another
a junction where one street or road crosses another
a point where lines intersect
a representation of common ground between theories or phenomena
the set of elements common to two or more sets
a point or set of points common to two or more geometric configurations