tailed frog vs toad

tailed frog and toad both are nouns.

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

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

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

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

tailed frog (noun)	toad (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