nibble vs play with

nibble

verb
  • To find fault; to cavil. 

  • To eat with small, quick bites. 

  • To bite lightly. 

  • To consume gradually. 

noun
  • A unit of memory equal to half a byte, or four bits. 

  • Small snacks such as crisps/potato chips or nuts, often eaten to accompany drinks. 

  • A small, quick bite taken with the front teeth. 

play with

verb
  • To trick. 

  • To sexually stimulate a person or a person's erogenous zone. 

  • Used other than figuratively or idiomatically: play with. 

  • To fiddle with; make small adjustments to, for example to something mechanical in order to improve its performance. 

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