caw vs mither

caw

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

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

noun
  • The harsh cry of a crow. 

mither

verb
  • To pester or irritate someone. 

  • To make an unnecessary fuss, moan, bother. 

noun
  • mother 

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