colic vs trepidation

colic

noun
  • Severe fussiness and crying, especially of infants with certain medical conditions. 

  • A medicinal plant used to relieve such symptoms. 

  • Severe pains that grip the abdomen or the disease that causes such pains (due to intestinal or bowel-related problems). 

adj
  • Relating to the colon; colonic. 

trepidation

noun
  • An involuntary trembling, sometimes an effect of paralysis, but usually caused by terror or fear. 

  • A fearful state; a state of concern or hesitation. 

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