decency vs malfeasance

decency

noun
  • That which is proper or becoming. 

  • The quality of being decent; propriety. 

malfeasance

noun
  • Wrongdoing. 

  • Misconduct or wrongdoing, especially by a public official and causing damage. 

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