implement vs putty knife

implement

noun
  • A tool or instrument for working with. 

verb
  • To bring about; to put into practice; to carry out. 

putty knife

noun
  • A hand tool with a flexible blade used by glaziers to apply putty to seal window panes to the frame and mullions. 

  • A similar tool with a wide, flat blade used by painters, plasterers, and carpenters to spread putty to fill holes and cracks. 

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