helve vs implement

helve

noun
  • The handle or haft of a tool or weapon. 

  • A forge hammer lifted by a cam acting on the helve between the fulcrum and the head. 

verb
  • To furnish (an axe, etc.) with a helve. 

implement

noun
  • A tool or instrument for working with. 

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

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