Spanish pointer vs gun dog

Spanish pointer and gun dog both are nouns.

Word	Noun	Adjective	Verb	Adverb
Spanish pointer	Yes	No	No	No
gun dog	Yes	No	No	No

As nouns, gun dog is a hypernym of Spanish pointer; that is, gun dog is a word with a broader meaning than Spanish pointer:

Spanish pointer: a strong slender smooth-haired dog of Spanish origin having a white coat with brown or black patches; scents out and points to game
gun dog: a dog trained to work with sportsmen when they hunt with guns

Other hypernyms of Spanish pointer include sporting dog.

Spanish pointer (noun)	gun dog (noun)
a strong slender smooth-haired dog of Spanish origin having a white coat with brown or black patches; scents out and points to game	a dog trained to work with sportsmen when they hunt with guns