crosstalk vs witticism(s)

crosstalk

verb
  • To hold an incidental conversation 

noun
  • The situation where one or more components of a signal transduction pathway affect another pathway. 

  • Undesirable signals from a neighbouring transmission circuit; undesired coupling between circuits. 

  • A traditional Chinese comedic performance in the form of a dialogue. 

  • Conversation that is incidental to the topic under discussion. 

witticism(s)

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