longing vs thirst

longing

noun
  • An earnest and deep, not greatly passionate, but rather melancholic desire. 

  • The buying of a financial instrument with the expectation that its value will rise 

thirst

noun
  • A want and eager desire (for something); a craving or longing. 

  • Sexual lust. 

  • A sensation of dryness in the throat associated with a craving for liquids, produced by deprivation of drink, or by some other cause (such as fear, excitement, etc.) which stops the secretion of the pharyngeal mucous membrane. 

  • The condition producing the sensation of thirst. 

verb
  • To be thirsty. 

  • To desire vehemently. 

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