dhow vs sailing ship

dhow and sailing ship both are nouns.

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

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

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

Other hypernyms of dhow include sailing vessel.

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