approve vs burlesque

approve

verb
  • To officially sanction; to ratify; to confirm; to set as satisfactory. 

  • To make profit of; to convert to one's own profit — said especially of waste or common land appropriated by the lord of the manor. 

  • To consider worthy (to); to be pleased (with); to accept. 

  • To regard as good; to commend; to be pleased with; to think well of. 

burlesque

noun
  • A ludicrous imitation; a caricature; a travesty; a gross perversion. 

  • A derisive art form that mocks by imitation; a parody. 

  • A variety adult entertainment show, usually including titillation such as striptease, most common from the 1880s to the 1930s. 

verb
  • To make a burlesque parody of. 

  • To ridicule, or to make ludicrous by grotesque representation in action or in language. 

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