couldn’t care less vs judicial

couldn’t care less

judicial

adj
  • Of or relating to sound judgment; judicious (but see Usage notes). 

  • specified by a civil bill court under the terms of the Land Law (Ireland) Act, 1881 

  • Of or relating to the administration of justice. 

  • Of or relating to the court system or the judicial branch of government. 

  • Of or relating to judgeship or the judiciary, the collective body of judges. 

noun
  • That branch of government which is responsible for maintaining the courts of law and for the administration of justice. 

How often have the words couldn’t care less and judicial occurred in a corpus of books? (source: Google Ngram Viewer )