clipper vs clipper ship

clipper and clipper ship both are nouns.

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

As nouns, clipper and clipper ship are synonyms defined as:

clipper (noun)	clipper ship (noun)
scissors for cutting hair or finger nails	a fast sailing ship used in former times
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)