apportion vs set apart

apportion

verb
  • Specifically, to do so in a fair and equitable manner; to allocate proportionally. 

  • To divide and distribute portions of a whole. 

set apart

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

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

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

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