clumber spaniel vs spaniel

clumber spaniel and spaniel both are nouns.

Word	Noun	Adjective	Verb	Adverb
clumber spaniel	Yes	No	No	No
spaniel	Yes	No	No	No

As nouns, spaniel is a hypernym of clumber spaniel; that is, spaniel is a word with a broader meaning than clumber spaniel:

clumber spaniel: a thickset spaniel with longish silky hair
spaniel: any of several breeds of small to medium-sized gun dogs with a long silky coat and long frilled ears

clumber spaniel (noun)	spaniel (noun)
a thickset spaniel with longish silky hair	any of several breeds of small to medium-sized gun dogs with a long silky coat and long frilled ears