coercive vs persuasive

coercive

adj
  • Displaying a tendency or intent to coerce. 

  • Such that the ratio of |F(x)| to x approaches infinity as x approaches infinity. 

persuasive

adj
  • Able to persuade; convincing. 

noun
  • That which persuades; incitement. 

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