tongueless frog vs toad

tongueless frog and toad both are nouns.

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

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

tongueless frog: almost completely aquatic frog native to Africa and Panama and northern South America
toad: any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species

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

tongueless frog (noun)	toad (noun)
almost completely aquatic frog native to Africa and Panama and northern South America	any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species