keck vs take ill

keck

verb
  • To heave or retch as if to vomit. 

noun
  • animal dung 

  • The cow parsley (Anthriscus sylvestris). 

take ill

verb
  • To become ill, to fall ill. 

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