high-octane vs pushing

high-octane

adj
  • High powered, energetic, forceful or dynamic. 

  • Having a high octane number, good anti-knock characteristics; used in high performance vehicles. 

  • Highly intoxicating or caffeinated. 

pushing

adj
  • That pushes forward; pressing, driving. 

noun
  • The act by which something is pushed. 

How often have the words high-octane and pushing occurred in a corpus of books? (source: Google Ngram Viewer )