legislative vs ministerial

legislative

adj
  • Making, or having the power to make, a law or laws; lawmaking 

noun
  • That branch of government which is responsible for making, or having the power to make, a law or laws. 

ministerial

adj
  • Serving as an instrument or means (i.e., procedural or ancillary, not substantive). 

  • Related to a governmental minister or ministry. 

  • Related to a religious minister or ministry. 

  • Having the power to wield delegated executive authority. 

noun
  • A member of the mediaeval estate or caste of unfree nobles. 

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