contracted vs irresponsible

contracted

adj
  • Arranged by contract; established by agreement. 

  • Incurred; acquired. 

  • Made smaller by contraction. 

irresponsible

noun
  • Someone who is not responsible. 

adj
  • Lacking a sense of responsibility; performed or acting as though without responsibility; negligent. 

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