blackball vs snub

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. 

snub

verb
  • To turn down insultingly; to dismiss. 

  • To slight, ignore or behave coldly toward someone. 

  • To check; to reprimand. 

  • To halt the movement of a rope etc by turning it about a cleat or bollard etc; to secure a vessel in this manner. 

  • To sob with convulsions. 

  • To stub out (a cigarette etc). 

  • To clip or break off the end of; to check or stunt the growth of. 

noun
  • A deliberate affront or slight. 

  • A sudden checking of a cable or rope. 

adj
  • Derived from a simpler polyhedron by the addition of extra triangular faces. 

  • Conspicuously short. 

  • Flat and broad, with the end slightly turned up. 

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