barking frog vs frog

barking frog and frog both are nouns.

Word	Noun	Adjective	Verb	Adverb
barking frog	Yes	No	No	No
frog	Yes	No	Yes	No

As nouns, frog is a hypernym of barking frog; that is, frog is a word with a broader meaning than barking frog:

barking frog: of southwest United States and Mexico; call is like a dog's bark
frog: any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species

Other hypernyms of barking frog include anuran, batrachian, salientian, toad, toad frog.

barking frog (noun)	frog (noun)
of southwest United States and Mexico; call is like a dog's bark	any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species
	a decorative loop of braid or cord
	a person of French descent

barking frog (verb)	frog (verb)
	hunt frogs for food