enjoin vs instruct

enjoin

verb
  • To prescribe under authority; to ordain 

  • To lay upon, as an order or command; to give an injunction to; to direct with authority; to order; to charge. 

  • To prohibit or restrain by a judicial order or decree; to put an injunction on. 

instruct

verb
  • To teach by giving instructions. 

  • To tell (someone) what they must or should do. 

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