ribbed toad vs frog

ribbed toad and frog both are nouns.

Word	Noun	Adjective	Verb	Adverb
ribbed toad	Yes	No	No	No
frog	Yes	No	Yes	No

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

ribbed toad: western North American frog with a taillike copulatory organ
frog: any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species

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

ribbed toad (noun)	frog (noun)
western North American frog with a taillike copulatory organ	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

ribbed toad (verb)	frog (verb)
	hunt frogs for food