curlicue vs sinuosity

curlicue

noun
  • A fancy twisting or curling shape usually made from a series of spirals and loops. 

verb
  • To make or adorn (something) with curlicues, or as if with curlicues. 

sinuosity

noun
  • The property of being sinuous. 

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