legislation vs refusal

legislation

noun
  • The act of legislating; preparation and enactment of laws. 

  • Law which has been enacted by legislature or other governing body 

refusal

noun
  • The act of refusing. 

  • Depth or point at which well or borehole drilling cannot continue. 

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