call up vs conjure up

call up

verb
  • To summon (someone) to report for military service. 

  • To select e.g. to a sports squad. 

  • To retrieve from personal or computer memory. 

  • To call on the telephone. 

noun
  • An order to report for military service. 

conjure up

verb
  • To call up or command a spirit or devil by an incantation. 

  • To create or produce something, seemingly magically. 

  • To generate (an image or an idea) in one's mind. 

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