a priori vs experimental

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. 

experimental

adj
  • Experiential, empirical. 

  • Pertaining to or founded on experiment. 

  • Serving to be experimented upon; used in an experiment. 

  • Serving as an experiment; serving to experiment. 

noun
  • The subject of an experiment. 

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