malignity vs rapport

malignity

noun
  • The quality of being malign or malignant; badness, evilness, monstrosity, depravity, maliciousness. 

  • A non-benign cancer; a malignancy. 

rapport

noun
  • A relationship of mutual trust and respect. A close and harmonious relationship in which the people or groups concerned understand each other's feelings or ideas and communicate well. 

  • Relation; proportion; conformity. 

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