not heed vs trample

not heed

trample

noun
  • A heavy stepping. 

  • The sound of heavy footsteps. 

verb
  • To crush something by walking on it. 

  • To treat someone harshly. 

  • To walk heavily and destructively. 

  • To cause emotional injury as if by trampling. 

How often have the words not heed and trample occurred in a corpus of books? (source: Google Ngram Viewer )