shipload vs carload

shipload and carload both are nouns.

Word	Noun	Adjective	Verb	Adverb
shipload	Yes	No	No	No
carload	Yes	No	No	No

As nouns, shipload and carload are synonyms defined as:

shipload and carload: the amount of cargo that can be held by a boat or ship or a freight car

Other synonyms of shipload include boatload.

shipload (noun)	carload (noun)
the amount of cargo that can be held by a boat or ship or a freight car	a gathering of passengers sufficient to fill an automobile
	the amount of cargo that can be held by a boat or ship or a freight car