ability vs disqualification

ability

noun
  • A unique power of the mind; a faculty. 

  • A skill or competence in doing; mental power; talent; aptitude. 

  • The quality or state of being able; capacity to do or of doing something; having the necessary power. 

  • Physical power. 

  • The legal wherewithal to act. 

disqualification

noun
  • The act of disqualifying, or the state of being disqualified 

  • That which disqualifies; that which causes someone to be unfit for a certain purpose or role 

  • The act of being forbidden from further play in a basketball game due to the accumulation of too many personal fouls. 

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