apportion vs divvy up

apportion

verb
  • To divide and distribute portions of a whole. 

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

divvy up

verb
  • To divide up: to divide, particularly into separate shares for distribution. 

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