impetuous vs previous

impetuous

adj
  • Making arbitrary decisions, especially in an impulsive and forceful manner. 

  • Characterized by sudden violence or vehemence. 

previous

adj
  • Premature; acting or occurring too soon. 

  • Prior; occurring before something else, either in time or order. 

noun
  • An existing criminal record (short for "previous convictions") 

  • A track record of similar behaviour. 

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