obstetrical toad vs frog

obstetrical toad and frog both are nouns.

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

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

obstetrical toad: European toad whose male carries the fertilized eggs wrapped around its hind legs until they hatch
frog: any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species

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

obstetrical toad (noun)	frog (noun)
European toad whose male carries the fertilized eggs wrapped around its hind legs until they hatch	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

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