outgallop vs walk away from

outgallop

verb
  • To run faster than; to outdistance. 

walk away from

verb
  • To outpace effortlessly. 

  • To abandon or leave; to shun; to refuse. 

  • To escape (a mishap, accident, etc.) with minimal or no injury. 

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