outgallop vs outstrip

outgallop

verb
  • To run faster than; to outdistance. 

outstrip

verb
  • To move more quickly than (someone or something) so as to outrun or leave it behind. 

  • To exceed or surpass (someone or something). 

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