fatal vs operable

fatal

noun
  • A fatality; an event that leads to death. 

  • A fatal error; a failure that causes a program to terminate. 

adj
  • Causing a sudden end to the running of a program. 

  • Causing death or destruction. 

  • Proceeding from, or appointed by, fate or destiny. 

  • Foreboding death or great disaster. 

operable

adj
  • Able to be put into operation; practicable 

  • Able to be operated or used 

  • Able to be treated by surgery 

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