precept vs request

precept

noun
  • A written command, especially a demand for payment. 

  • An order issued by one local authority to another specifying the rate of tax to be charged on its behalf. 

  • A rule or principle, especially one governing personal conduct. 

  • A rate or tax set by a precept. 

verb
  • To act as a preceptor; to teach a physician-in-training by supervising their clinical practice. 

request

noun
  • A formal message requesting something. 

  • A message sent over a network to a server. 

  • Act of requesting (with the adposition at in the presence of possessives, and on in their absence). 

  • Condition of being sought after. 

verb
  • To ask (somebody) to do something. 

  • To ask for (something). 

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