polemical vs rationalistic

polemical

adj
  • Being an attempt to evaluate the arguments comprehensively. 

  • Prone to causing disputes; inclined to causing the expression of opposing opinions, disputatious, contentious, edgy. 

noun
  • A diatribe or polemic. 

rationalistic

adj
  • Of or relating to rationalism. 

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