push off vs vulgar than

push off

verb
  • To go away; to get lost. 

  • To delay, postpone, put off, push back. 

  • to commit a foul by pushing against an opponent to both accelerate more quickly and push the opponent in the opposite direction. 

vulgar than

How often have the words push off and vulgar than occurred in a corpus of books? (source: Google Ngram Viewer )