crossroad vs carrefour

crossroad and carrefour both are nouns.

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

As nouns, crossroad and carrefour are synonyms defined as:

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

Other synonyms of crossroad include crossing, crossway, intersection.

crossroad (noun)	carrefour (noun)
a junction where one street or road crosses another	a junction where one street or road crosses another