centrifugal vs perverted

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. 

perverted

adj
  • Misrepresented, altered or distorted. 

  • Deviating from what is normally considered right, normal or correct. 

  • Of, relating to, or practicing unusual or "kinky" sex. 

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