cack vs lapwing

cack

noun
  • Rubbish. 

  • A discordant note. 

  • A squawk. 

  • Excrement. 

  • An act of defecation. 

  • Penis. 

verb
  • To squawk. 

  • To laugh. 

  • To incorrectly play a note by hitting a partial other than the one intended. 

  • To defecate. 

  • To defecate (on); to shit. 

  • To kill. 

lapwing

noun
  • A silly man. 

  • The northern lapwing (Vanellus vanellus). 

  • Any of several medium-sized wading birds belonging to the subfamily Vanellinae, within family Charadriidae. 

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