engender vs whip up

engender

verb
  • To give existence to, to produce (living creatures). 

  • To assume form; to come into existence; to be caused or produced. 

  • To bring into existence (a situation, quality, result etc.); to give rise to, cause, create. 

  • To endow with gender; to create gender or enhance the importance of gender. 

whip up

verb
  • To produce (something) quickly, especially food. 

  • To lift or snatch up suddenly. 

  • To beat (stir) (a liquid) quickly so to introduce air and form foam. 

  • To arouse or excite. 

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