outgallop vs shut down

outgallop

verb
  • To run faster than; to outdistance. 

shut down

verb
  • To pass (another vehicle), especially quickly. 

  • To close, terminate, or end. 

  • To turn off or stop. 

  • To emotionally withdraw into oneself as a defense mechanism; to block out external stressors. 

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