leave alone vs play with

leave alone

verb
  • To desist or refrain from involvement with. 

  • To stop bothering (a person). 

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 leave alone and play with occurred in a corpus of books? (source: Google Ngram Viewer )