guard dog vs kuvasz

guard dog and kuvasz both are nouns.

Word	Noun	Adjective	Verb	Adverb
guard dog	Yes	No	No	No
kuvasz	Yes	No	No	No

As nouns, kuvasz is a hyponym of guard dog; that is, kuvasz is a word with a more specific, narrower meaning than guard dog:

guard dog: a dog trained to guard property
kuvasz: long-established Hungarian breed of tall light-footed but sturdy white dog; used also as a hunting dog

Other hyponyms of guard dog include attack dog, housedog, schipperke, pinscher.

guard dog (noun)	kuvasz (noun)
a dog trained to guard property	long-established Hungarian breed of tall light-footed but sturdy white dog; used also as a hunting dog