dishonorable vs venal

dishonorable

adj
  • Without honor, or causing dishonor. 

  • Lacking respect for ethical principles. 

venal

adj
  • Corrupt, mercenary. 

  • Capable of being bought (of a person); willing to take bribes. 

  • Of a position, privilege etc.: available for purchase rather than assigned on merit. 

  • Venous; pertaining to veins. 

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