true toad: tailless amphibian similar to a frog but more terrestrial and having drier warty skin
frog: any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species
minoxidil: a vasodilator (trade name Loniten) used to treat severe hypertension; one side effect is hirsutism so it is also sold (trade name Rogaine) as a treatment for male-patterned baldness