discrediting vs slighting

discrediting

noun
  • The act by which something is discredited. 

slighting

noun
  • An act of ignoring or neglecting someone or something; more broadly neglect. 

  • The act of giving a slight or snub. 

  • The action of rejecting someone or something; rejection. 

  • The full or partial demolition of a fortification. 

adj
  • In the manner of a slight; belittling, deprecative 

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