clipper vs sailing vessel

clipper and sailing vessel both are nouns.

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

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

clipper: a fast sailing ship used in former times
sailing vessel: a vessel that is powered by the wind; often having several masts

Other hypernyms of clipper include sailing ship.

clipper (noun)	sailing vessel (noun)
scissors for cutting hair or finger nails	a vessel that is powered by the wind; often having several masts
shears for cutting grass or shrubbery
a fast sailing ship used in former times
(electronics) a nonlinear electronic circuit whose output is limited in amplitude; used to limit the instantaneous amplitude of a waveform (to clip off the peaks of a waveform)