apportionment vs quelling

apportionment

noun
  • The act of apportioning or the state of being apportioned. 

  • The distribution of members of the House of Representatives according to the population of the various states. 

  • The allocation of direct taxation according to the population of the various states. 

quelling

noun
  • The act by which something is quelled. 

adj
  • causing something to quell or be quelled 

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