botch vs knock on wood

botch

verb
  • To perform (a task) in an unacceptable or incompetent manner; to make a mess of something 

  • To repair or mend clumsily. 

  • To do something without skill, without care, or clumsily. 

noun
  • An action, job, or task that has been performed very badly; a ruined, defective, or clumsy piece of work. 

  • A mistake that is very stupid or embarrassing. 

  • A messy, disorderly or confusing combination; conglomeration; hodgepodge. 

  • A case or outbreak of boils or sores. 

  • A patch put on, or a part of a garment patched or mended in a clumsy manner. 

knock on wood

verb
  • To take a customary action to ward off some misfortune that is believed to be attracted by a presumptuous statement. 

intj
  • Hopefully; a self-directive to undertake the customary action to ward off bad luck. 

How often have the words botch and knock on wood occurred in a corpus of books? (source: Google Ngram Viewer )