cycloidal vs winding

cycloidal

adj
  • pertaining to or resembling a cycloid, or a circle. 

winding

adj
  • Spiral or helical. 

  • Twisting, turning or sinuous. 

noun
  • One complete turn of something wound. 

  • Something wound around something else. 

  • Curving or bending movement, twists and turns. 

  • The manner in which something is wound. 

  • A length of wire wound around the core of an electrical transformer. 

  • The act or process of winding (turning a boat etc. around). 

  • Lapping. 

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