colic vs murmuring

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. 

murmuring

noun
  • A complaint against something. 

  • A sound that murmurs. 

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