hold back vs whip up

hold back

verb
  • To contain; stop. 

  • To act with reserve; to contain one's full measure or power. 

  • To delay the progress of, especially in school. 

whip up

verb
  • To lift or snatch up suddenly. 

  • To produce (something) quickly, especially food. 

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

  • To arouse or excite. 

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