apportion vs disburse

apportion

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

  • To divide and distribute portions of a whole. 

disburse

verb
  • To pay out, expend; usually from a public fund or treasury. 

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