be up to vs laze

be up to

verb
  • To do or be involved in doing; to do (often something mischievous or inappropriate). 

  • To depend on, to be the choice of. 

laze

noun
  • An instance of lazing. 

  • Laziness. 

  • Acidic steam created when super-hot lava contacts salt water. 

verb
  • To be lazy, waste time. 

  • To pass time relaxing; to relax, lounge. 

How often have the words be up to and laze occurred in a corpus of books? (source: Google Ngram Viewer )