clipper vs sailing ship

clipper and sailing ship both are nouns.

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

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

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

Other hypernyms of clipper include sailing vessel.

clipper (noun)	sailing ship (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)