caw vs whinny

caw

verb
  • To make the harsh cry of a crow, rook, or raven. 

noun
  • The harsh cry of a crow. 

intj
  • A rendering of the vocalisation of a crow or other corvid. 

whinny

verb
  • To make a gentle neigh. 

noun
  • A gentle neigh. 

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