indisposition vs malady

indisposition

noun
  • A mild illness, the state of being indisposed. 

  • A state of not being disposed to do something; disinclination; unwillingness. 

  • A bad mood or disposition. 

malady

noun
  • Any ailment or disease of the body; especially, a lingering or deep-seated disorder. 

  • A moral or mental defect or disorder. 

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