high-octane vs performant

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. 

performant

adj
  • Capable of or characterized by a high or excellent level of performance or efficiency. 

  • Characterized by a level of performance or efficiency that is adequate for or exceeds the expectations of end users. 

  • Of or relating to performance. 

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