a priori vs systematic

a priori

adj
  • Presumed without analysis. 

  • Self-evident, intuitively obvious. 

  • Based on hypothesis and theory rather than experiment or empirical evidence. 

  • Developed entirely from scratch, without deriving it from existing languages. 

adv
  • In a way based on theoretical deduction rather than empirical observation. 

systematic

adj
  • Methodical, regular and orderly. 

  • Of or relating to taxonomic classification. 

  • Of, relating to, or being a system. 

  • Of, relating to, or in accordance with generally recognized conventions for the naming of chemicals. 

  • Treating an object as a system or coherent whole. 

  • Carried out according to a planned, ordered procedure. 

adv
  • systematically 

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