legislative branch vs parliament

legislative branch

noun
  • The branch of government which is concerned with the making of laws 

parliament

noun
  • In many countries, the legislative branch of government, a deliberative assembly or set of assemblies whose elected or appointed members meet to debate the major political issues of the day, make, amend, and repeal laws, authorize the executive branch of government to spend money, and in some cases exercise judicial powers; a legislature. 

  • A formal council summoned (especially by a monarch) to discuss important issues. 

  • A particular assembly of the members of such a legislature, as convened for a specific purpose or period of time (commonly designated with an ordinal number – for example, first parliament or 12th parliament – or a descriptive adjective – for example, Long Parliament, Short Parliament and Rump Parliament). 

  • A gathering of birds, especially rooks or owls. 

  • Parliament cake, a type of gingerbread. 

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