boatload vs shipload

boatload and shipload both are nouns.

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

As nouns, boatload and shipload are synonyms defined as:

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

Other synonyms of boatload include carload.

boatload (noun)	shipload (noun)
the amount of cargo that can be held by a boat or ship or a freight car	the amount of cargo that can be held by a boat or ship or a freight car