federalism vs legislature

federalism

noun
  • A system of national government in which power is divided between a central authority and a number of regions with delimited self-governing authority. 

  • Covenantalism. 

  • The belief that such a system is superior to other forms of government. 

legislature

noun
  • A governmental body with the power to make, amend and repeal laws. 

  • The legislative assembly of a province or territory, as opposed to the federal parliament. 

  • A legislative building. 

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