toad frog vs toad

toad frog and toad both are nouns.

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

As nouns, toad frog and toad are synonyms defined as:

toad frog and toad: any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species

Other synonyms of toad frog include anuran, batrachian, frog, salientian.

toad frog (noun)	toad (noun)
any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species	any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species