circumforaneous vs cycloid

circumforaneous

adj
  • Indirect, roundabout, or unnecessarily complex. 

  • Wandering from place to place or market to market. 

cycloid

adj
  • Resembling a circle; cycloidal. 

  • characterized by alternating high and low moods. 

  • Thin and rounded, with smooth edges. 

noun
  • A fish having cycloid scales. 

  • The locus of a point on the circumference of a circle that rolls without slipping on a fixed straight line. 

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