clipper ship vs sailing ship

clipper ship and sailing ship both are nouns.

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

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

clipper ship: 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 ship include sailing vessel.

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