rigger vs sailing vessel

rigger and sailing vessel both are nouns.

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

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

rigger: a sailing vessel with a specified rig
sailing vessel: a vessel that is powered by the wind; often having several masts

Other hypernyms of rigger include sailing ship.

rigger (noun)	sailing vessel (noun)
a long slender pointed sable brush used by artists	a vessel that is powered by the wind; often having several masts
a sailing vessel with a specified rig
someone who rigs ships
someone who works on an oil rig