fishing smack vs fishing boat

fishing smack and fishing boat both are nouns.

Word	Noun	Adjective	Verb	Adverb
fishing smack	Yes	No	No	No
fishing boat	Yes	No	No	No

As nouns, fishing smack and fishing boat are synonyms defined as:

fishing smack and fishing boat: a vessel for fishing; often has a well to keep the catch alive

Other synonyms of fishing smack include fishing vessel.

fishing smack (noun)	fishing boat (noun)
a vessel for fishing; often has a well to keep the catch alive	a vessel for fishing; often has a well to keep the catch alive