assign vs collect

assign

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

  • To give (a value) to a variable. 

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

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

noun
  • An assignee. 

collect

verb
  • To get; particularly, get from someone. 

  • To infer; to conclude. 

  • To accumulate (a number of similar or related objects), particularly for a hobby or recreation. 

  • To gather together; amass. 

  • To come together in a group or mass. 

  • To collect payments. 

  • To collide with or crash into (another vehicle or obstacle). 

adj
  • To be paid for by the recipient, as a telephone call or a shipment. 

adv
  • With payment due from the recipient. 

noun
  • The prayer said before the reading of the epistle lesson, especially one found in a prayerbook, as with the Book of Common Prayer. 

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