blackball vs disuse

blackball

verb
  • To ostracize. 

  • To vote against, especially in an exclusive organization. 

noun
  • A black ball used to indicate such a negative vote. 

  • A rejection; a vote against admitting someone. 

  • A kind of large black sweet; a niggerball. 

  • A game, a standardized version of the English version of eight-ball. 

  • A substance for blacking shoes, boots, etc. or for taking impressions of engraved work. 

disuse

verb
  • To cease the use of. 

noun
  • The state of not being used; neglect. 

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