likely vs performant

likely

adj
  • appropriate, suitable; believable; promising, having a good potential 

  • probable; having a greater-than-even chance of occurring 

  • Reasonably to be expected; apparently destined, probable 

  • attractive; pleasant 

  • plausible; within the realm of credibility 

  • leading with high probability to some specified outcome 

noun
  • Something or somebody considered likely. 

adv
  • Probably. 

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 likely and performant occurred in a corpus of books? (source: Google Ngram Viewer )