ascendancy vs jurisdiction

ascendancy

noun
  • Supremacy; dominant control; the quality of being in the ascendant. 

  • A class of Protestant landowners and professionals that dominated political and social life in Ireland up to the early 20th century 

  • A quantitative attribute of an ecosystem, defined as a function of the ecosystem's trophic network, and intended to indicate its ability to prevail against disturbance by virtue of its combined organization and size. 

jurisdiction

noun
  • The power or right to exercise authority. 

  • The authority of a sovereign power to govern or legislate. 

  • The limits or territory within which authority may be exercised. 

  • The power, right, or authority to interpret and apply the law. 

  • The power or right to perform some action as part of applying the law. 

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