continuative vs eternal

continuative

adj
  • Of or pertaining to continuation. 

  • durative. 

noun
  • a durative. 

  • Something that causes a continuation. 

eternal

adj
  • Constant; perpetual; ceaseless; ever-present. 

  • existing outside time; as opposed to sempiternal, existing within time but everlastingly 

  • Lasting forever; unending. 

noun
  • One who lives forever; an immortal. 

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