springer vs spaniel

springer and spaniel both are nouns.

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

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

springer: a large spaniel with wavy silky coat usually black or liver and white
spaniel: any of several breeds of small to medium-sized gun dogs with a long silky coat and long frilled ears

springer (noun)	spaniel (noun)
a cow about to give birth	any of several breeds of small to medium-sized gun dogs with a long silky coat and long frilled ears
a large spaniel with wavy silky coat usually black or liver and white
the lowest stone in an arch -- from which it springs