sit on vs trample

sit on

verb
  • To restrain (a person). 

  • To take no action on; to hold in reserve without actually using. 

  • To hold an official inquiry regarding; to deliberate about. 

  • To block, suppress, restrain. 

  • To be a member of. 

  • Used other than figuratively or idiomatically: see sit, on. 

trample

verb
  • To treat someone harshly. 

  • To crush something by walking on it. 

  • To walk heavily and destructively. 

  • To cause emotional injury as if by trampling. 

noun
  • A heavy stepping. 

  • The sound of heavy footsteps. 

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