causal vs successive

causal

noun
  • a word (such as because) that expresses a reason or a cause 

adj
  • of, relating to, or being a cause of something; causing 

successive

adj
  • Of or relating to the grammatical aspect which presupposes the completion of a secondary action as a premise for the primary action of the statement. 

  • Of, or relating to a succession; hereditary. 

  • Coming one after the other in a series. 

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