bark vs sailing vessel

bark and sailing vessel both are nouns.

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

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

bark: a sailing ship with 3 (or more) masts
sailing vessel: a vessel that is powered by the wind; often having several masts

Other hypernyms of bark include sailing ship.

bark (noun)	sailing vessel (noun)
a sailing ship with 3 (or more) masts	a vessel that is powered by the wind; often having several masts
the sound made by a dog
a noise resembling the bark of a dog
tough protective covering of the woody stems and roots of trees and other woody plants