irresponsible vs reversible

irresponsible

noun
  • Someone who is not responsible. 

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

reversible

noun
  • A garment that can be worn inside out. 

adj
  • Capable of proceeding in either direction. 

  • Capable of returning to the original state without consumption of free energy and increase of entropy. 

  • Providing sufficient reason for a court decision to be overturned on appeal. 

  • Capable of returning to the original state. 

  • Able to be reversed. 

  • Able to be worn inside out. 

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