exploration vs indecision

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. 

indecision

noun
  • The inability to decide on a course of action, especially if two or more possibilities exist. 

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