oppressive vs overladen

oppressive

adj
  • Burdensome or difficult to bear. 

  • Hot and humid of the weather. 

  • Tyrannical or exercising unjust power. 

  • Weighing heavily on the spirit; intense, or overwhelming 

overladen

adj
  • Burdened excessively. 

  • Packed heavily, especially beyond normal capacity; overloaded. 

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