declination vs veto

declination

noun
  • A refusal. 

  • At a given point, the angle between magnetic north and true north. 

  • At a given point, the angle between the line connecting this point with the geographical center of the earth and the equatorial plane. 

veto

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

  • 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. 

verb
  • To use a veto against. 

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