shrew vs warthog

shrew

noun
  • Certain other small mammals that resemble true shrews (order Soricomorpha). 

  • Any of numerous small, mouselike, chiefly nocturnal, mammals of the family Soricidae (order Soricomorpha). 

  • An ill-tempered, nagging woman: a scold. 

warthog

noun
  • A wild pig of the genus Phacochoerus, native to Africa. 

  • A nickname for the A-10 Thunderbolt II air support warplane 

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