ax to grind vs objection

ax to grind

noun
  • A grudge or grievance, with implications of confrontation. 

  • A proposition or point of view to advocate, especially motivated by self-interest. 

objection

noun
  • The act of objecting. 

  • A statement expressing opposition, or a reason or cause for expressing opposition (generally followed by the adposition to). 

  • An official protest raised in a court of law during a legal trial over a violation of the rules of the court by the opposing party. 

intj
  • An assertion that a question or statement is in violation of the rules of the court. 

How often have the words ax to grind and objection occurred in a corpus of books? (source: Google Ngram Viewer )