patter vs twittering

patter

noun
  • Glib and rapid speech, such as from an auctioneer or a sports commentator. 

  • A soft repeated sound, as of rain falling, or feet walking on a hard surface. 

  • One who pats. 

verb
  • To speak glibly and rapidly, as does an auctioneer or a sports commentator. 

  • To spatter; to sprinkle. 

  • To make irregularly repeated sounds of low-to-moderate magnitude and lower-than-average pitch. 

twittering

noun
  • The act of producing chirping sounds, or twitters. 

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