coercion vs duress

coercion

noun
  • Actual or threatened force for the purpose of compelling action by another person; the act of coercing. 

  • A specific instance of coercing. 

  • Use of physical or moral force to compel a person to do something, or to abstain from doing something, thereby depriving that person of the exercise of free will. 

  • Conversion of a value of one data type to a value of another data type. 

  • The process by which the meaning of a word or other linguistic element is reinterpreted to match the grammatical context. 

duress

noun
  • Restraint in which a person is influenced, whether by lawful or unlawful forceful compulsion of their liberty by monition or implementation of physical enforcement; legally for the incurring of civil liability, of a citizen's arrest, or of subrogation, or illegally for the committing of an offense, of forcing a contract, or of using threats. 

  • Constraint by threat. 

verb
  • To put under duress; to pressure. 

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