overrule vs veto

overrule

verb
  • To dismiss or throw out (a protest or objection) at a court. 

  • To nullify a previous ruling by a higher power. 

  • To rule or determine in a contrary way; to decide against; to abrogate or alter. 

  • To rule over; to govern or determine by superior authority. 

veto

verb
  • To use a veto against. 

noun
  • An invocation of that right. 

  • A technique or mechanism for discarding what would otherwise constitute a false positive in a scientific experiment 

  • A political right to disapprove of (and thereby stop) the process of a decision, a law etc. 

  • An authoritative prohibition or negative; a forbidding; an interdiction. 

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