executive vs lower chamber

executive

noun
  • The branch of government that is responsible for enforcing laws and judicial decisions, and for the day-to-day administration of the state. 

  • A process that coordinates and governs the action of other processes or threads; supervisor. 

  • A chief officer or administrator, especially one who can make significant decisions on their own authority. 

adj
  • Of, pertaining to, or having responsibility for the day-to-day running of an organisation, business, country, etc. 

  • Designed or fitted for execution, or carrying into effect. 

  • Exclusive. 

lower chamber

noun
  • The lower legislative chamber in a bicameral legislature; in many cases, the one that is directly elected and/or has more practical power, such as the power to raise and spend money. 

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