deputize vs relieve

deputize

verb
  • to officially empower and authorize (someone) to act as a substitute in one's role or office 

  • To act as a substitute for a person in their role or office 

  • To officially empower, authorize, pronounce, and establish (someone) to be a deputy. 

relieve

verb
  • To release (someone) from or of a difficulty, unwanted task, responsibility etc. 

  • To ease (someone, a part of the body etc.) or give relief from physical pain or discomfort. 

  • To ease (a person, person's thoughts etc.) from mental distress; to stop (someone) feeling anxious or worried, to alleviate the distress of. 

  • To free (someone) from debt or legal obligations; to give legal relief to. 

  • To alleviate (pain, distress, mental discomfort etc.). 

  • To urinate or defecate. 

  • To ease one's own desire to orgasm, often through masturbation to orgasm. 

  • To bring military help to (a besieged town); to lift the siege on. 

  • To free (someone) from their post, task etc. by taking their place. 

  • To provide comfort or assistance to (someone in need, especially in poverty). 

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