oppressive vs protectionist

oppressive

adj
  • Tyrannical or exercising unjust power. 

  • Hot and humid of the weather. 

  • Burdensome or difficult to bear. 

  • Weighing heavily on the spirit; intense, or overwhelming 

protectionist

adj
  • Of or pertaining to protectionism, or an advocate thereof. 

noun
  • Someone who believes in protecting domestic producers by impeding or limiting the importation of foreign goods and services via actions taken by government. 

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