abend vs disturbance

abend

noun
  • The abnormal termination of a program. 

  • Termination of a process prior to completion. 

verb
  • To terminate abnormally. 

disturbance

noun
  • An interruption of that which is normal or regular. 

  • The act of disturbing, being disturbed. 

  • A noisy commotion that causes a hubbub or interruption. 

  • Something that disturbs. 

  • A serious mental imbalance or illness. 

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