pitter-patter vs sprinkle

pitter-patter

noun
  • A soft, percussive sound, as of tiny feet, or of rain on a rooftop. 

sprinkle

noun
  • A light rain shower. 

  • An aspersorium or utensil for sprinkling. 

  • A small hard piece of sugar and starch, or chocolate, used to decorate cakes etc. 

  • A light covering with a sprinkled substance. 

verb
  • To cover (an object) by sprinkling a substance on to it. 

  • To drip in fine drops, sometimes sporadically. 

  • To baptize by the application of a few drops, or a small quantity, of water; hence, to cleanse; to purify. 

  • To rain very lightly outside. 

  • To cause (a substance) to fall in fine drops (for a liquid substance) or small pieces (for a solid substance). 

How often have the words pitter-patter and sprinkle occurred in a corpus of books? (source: Google Ngram Viewer )