fishing boat vs fishing smack

fishing boat and fishing smack both are nouns.

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

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

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

Other synonyms of fishing boat include fishing vessel.

fishing boat (noun)	fishing smack (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