abolition vs retention

abolition

noun
  • The state of being abolished. 

  • The act of abolishing; an annulling; abrogation. 

  • The ending of the slave trade or of slavery. 

  • The ending of convict transportation. 

retention

noun
  • The portion of a potential damange that must be paid for by the holder of an insurance policy. 

  • The act or power of remembering things 

  • The involuntary withholding of urine and faeces 

  • A memory; what is retained in the mind 

  • The length of time an individual remains in treatment 

  • The right to withhold a debt, or of retaining property until a debt due to the person claiming the right is duly paid; a lien. 

  • The act of retaining or something retained 

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