centrifugal vs wayward

centrifugal

adj
  • Tending, or causing, to recede from the center. 

  • Expanding first at the summit, and later at the base, as a flower cluster. 

  • Having the radicle turned toward the sides of the fruit, as some embryos. 

noun
  • A rotating machine used to separate massecuite into sugar crystals and molasses. 

wayward

adj
  • Given to wilful, perverse deviation from the expected norm; tending to stray. 

  • Not on target. 

  • Obstinate, contrary and unpredictable. 

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