brigantine vs sailing vessel

brigantine and sailing vessel both are nouns.

Word	Noun	Adjective	Verb	Adverb
brigantine	Yes	No	No	No
sailing vessel	Yes	No	No	No

As nouns, sailing vessel is a hypernym of brigantine; that is, sailing vessel is a word with a broader meaning than brigantine:

brigantine: two-masted sailing vessel square-rigged on the foremast and fore-and-aft rigged on the mainmast
sailing vessel: a vessel that is powered by the wind; often having several masts

Other hypernyms of brigantine include sailing ship.

brigantine (noun)	sailing vessel (noun)
two-masted sailing vessel square-rigged on the foremast and fore-and-aft rigged on the mainmast	a vessel that is powered by the wind; often having several masts