ague vs coolness

ague

noun
  • A chill, or state of shaking, as with cold. 

  • The cold fit or rigor of the intermittent fever 

  • An intermittent fever, attended by alternate cold and hot fits. 

verb
  • To strike with an ague, or with a cold fit. 

coolness

noun
  • The state of being cool, i.e. chilly. 

  • Indifference; lack of passion or interest. 

  • The state of being cool, i.e. calm. 

  • The state of being cool, i.e. good or pleasing. 

  • The result or product of being cool, i.e. good or pleasing. 

  • The result or product of being cool, i.e. chilly. 

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