pleasure boat vs cabin cruiser

pleasure boat and cabin cruiser both are nouns.

Word	Noun	Adjective	Verb	Adverb
pleasure boat	Yes	No	No	No
cabin cruiser	Yes	No	No	No

As nouns, pleasure boat and cabin cruiser are synonyms defined as:

pleasure boat and cabin cruiser: a large motorboat that has a cabin and plumbing and other conveniences necessary for living on board

Other synonyms of pleasure boat include cruiser, pleasure craft.

pleasure boat (noun)	cabin cruiser (noun)
a large motorboat that has a cabin and plumbing and other conveniences necessary for living on board	a large motorboat that has a cabin and plumbing and other conveniences necessary for living on board