van vs caravan

van and caravan both are nouns.

Word	Noun	Adjective	Verb	Adverb
van	Yes	No	No	No
caravan	Yes	No	Yes	No

As nouns, van and caravan are synonyms defined as:

van (noun)	caravan (noun)
a truck with an enclosed cargo space	a camper equipped with living quarters
a camper equipped with living quarters	a procession (of wagons or mules or camels) traveling together in single file
(Great Britain) a closed railroad car that carries baggage or freight
the leading units moving at the head of an army
any creative group active in the innovation and application of new concepts and techniques in a given field (especially in the arts)

van (verb)	caravan (verb)
	travel in a caravan