exploration vs treatment

exploration

noun
  • A physical examination of a patient. 

  • The process of exploring. 

  • The (pre-)mining process of finding and determining commercially viable ore deposits (after prospecting), also called mineral exploration. 

  • The process of penetrating, or ranging over for purposes of (especially geographical) discovery. 

treatment

noun
  • Medical care for an illness or injury. 

  • A brief, third-person, present-tense summary of a proposed film. 

  • A treatise; a formal written description or characterization of a subject. 

  • The use of a substance or process to preserve or give particular properties to something. 

  • The process or manner of treating someone or something. 

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