leptosome vs tractile

leptosome

adj
  • Narrow-bodied (in proportional to height or length). 

noun
  • A tall, narrow-bodied, angular person. 

tractile

adj
  • Capable of being drawn or stretched out in length. 

  • Pertaining to traction or pulling. 

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