serpentiform vs twisty

serpentiform

adj
  • Having the form of a serpent. 

twisty

adj
  • Characterised by a twist or twists; twisting. 

noun
  • A collapsible element having a marker such as a small triangle that rotates between horizontal and vertical positions to indicate whether the content is currently hidden or expanded. 

  • Something that is twisty, such as a road 

  • A strand of hair twisted together in a braid-like fashion 

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