bagging vs rolling

bagging

noun
  • The act of putting anything into a bag. 

  • peak bagging 

  • bootstrap aggregating 

  • Cloth or other material for bags. 

  • Use of BVM to ventilate a patient. 

rolling

noun
  • The act by which something is rolled. 

adj
  • Drunk; intoxicated from alcohol, staggering. 

  • Making a continuous sound. 

  • Extending in gentle undulations (of the landscape). 

  • Moving by turning over and over about an axis. 

  • Staggered in time and space. 

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