spadefoot vs toad frog

spadefoot and toad frog both are nouns.

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

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

spadefoot: a burrowing toad of the Northern Hemisphere with a horny spade-like projection on each hind foot
toad frog: any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species

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

spadefoot (noun)	toad frog (noun)
a burrowing toad of the Northern Hemisphere with a horny spade-like projection on each hind foot	any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species