salientian vs toad frog

salientian

adj
  • Of or pertaining to these animals. 

noun
  • Any amphibian of the clade Salientia; frogs and toads, those of order Anura and extinct relatives of other orders. 

toad frog

How often have the words salientian and toad frog occurred in a corpus of books? (source: Google Ngram Viewer )