repute vs unpopularity

repute

verb
  • To attribute or credit something to something; to impute. 

  • To consider, think, esteem, reckon (a person or thing) to be, or as being, something 

noun
  • Reputation, especially a good reputation. 

unpopularity

noun
  • the property or degree of being unpopular 

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