set against vs set apart

set against

verb
  • To cause an individual to be in conflict or opposition with someone or something. 

  • To have a strong feeling of not desiring to do something. 

set apart

verb
  • Used other than figuratively or idiomatically: to separate or isolate. 

  • To distinguish, make obvious the distinction between (two things) or of (something). 

  • To select (something or someone) for a specific purpose. 

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