bantering vs spoonerism

bantering

noun
  • joking; jesting 

  • teasing 

adj
  • That teases 

spoonerism

noun
  • A play on words on a phrase in which the initial (usually consonantal) sounds of two or more of the main words are transposed. 

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