exclusion vs riddance

exclusion

noun
  • The act of excluding or shutting out; removal from consideration or taking part. 

  • An item not covered by an insurance policy. 

riddance

noun
  • The act of being rid of something; deliverance 

  • The earth thrown up by a burrowing animal. 

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