disallow vs prepare

disallow

verb
  • To reject as invalid, untrue, or improper 

  • to overrule a colonial legislation by the sovereign-in-privy council 

  • To refuse to allow 

prepare

verb
  • To make ready for a specific future purpose; to set up; to assemble or equip. 

  • To produce or make by combining elements; to synthesize, compound. 

  • To make ready for eating or drinking; to cook. 

  • To make oneself ready; to get ready, make preparation. 

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