col vs saddleback

col

noun
  • A dip on a mountain ridge between two peaks. 

  • A pressure region between two anticyclones and two low-pressure regions. 

saddleback

noun
  • A saddle-shaped ridge forming a shallow pass between two peaks. 

  • A breed of pig which is black with a pink saddle-shaped marking. 

  • A roof in the same shape, having a gable at each end. 

  • An anticline. 

  • A coping that is thicker in the middle than at the edges. 

  • The bird Philesturnus carunculatis. 

  • The harp seal. 

  • The great black-backed gull. 

  • The larva of the bombycid moth. 

  • A raccoon oyster. 

  • A variety of domestic goose. 

  • Any of various creatures having a saddle-shaped marking on the back. 

adj
  • saddle-backed 

verb
  • To engage in anal sex with the intention of preserving one's virginity (chiefly by Christian teenagers) 

adv
  • saddle-backed 

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