concert vs stoppage

concert

verb
  • To act in harmony or conjunction; to form combined plans. 

  • To plan; to devise; to arrange. 

  • To plan together; to settle or adjust by conference, agreement, or consultation. 

noun
  • A musical entertainment in which several voices or instruments take part. 

  • Agreement in a design or plan; union formed by mutual communication of opinions and views; accordance in a scheme; harmony; simultaneous action. 

  • Musical accordance or harmony; concord. 

stoppage

noun
  • Something that forms an obstacle to continued activity; a blockage or obstruction. 

  • A pause or halt of some activity. 

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