ax to grind vs disdain

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. 

disdain

noun
  • A feeling of contempt or scorn. 

verb
  • To regard (someone or something) with strong contempt. 

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