assign vs displace

assign

verb
  • To transfer (property, a legal right, etc.) from one person to another. 

  • To give (a value) to a variable. 

  • To allot or give (something) as a task. 

  • To designate or set apart (something) for some purpose. 

  • To attribute or sort (something) into categories. 

  • To categorize (someone) as belonging to the male or female sex. 

  • To appoint or select (someone) for some office. 

noun
  • An assignee. 

displace

verb
  • To move something, or someone, especially to forcibly move people from their homeland. 

  • To put out of place; to disarrange. 

  • To repress. 

  • To have a weight equal to that of the water displaced. 

  • To replace, on account of being superior to or more suitable than that which is being replaced. 

  • To supplant, or take the place of something or someone; to substitute. 

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