ongoing vs terminated

ongoing

noun
  • Something that is going on; a happening. 

adj
  • Continuing, permanent, lasting. 

  • Presently or currently happening; being in progress. 

terminated

adj
  • Having been the subject of termination; ended or destroyed. 

  • Having lost a job or assignment. 

  • Having an end or a boundary. 

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