dhow vs sailing vessel

dhow and sailing vessel both are nouns.

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

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

dhow: a lateen-rigged sailing vessel used by Arabs
sailing vessel: a vessel that is powered by the wind; often having several masts

Other hypernyms of dhow include sailing ship.

dhow (noun)	sailing vessel (noun)
a lateen-rigged sailing vessel used by Arabs	a vessel that is powered by the wind; often having several masts