detractor vs well-wisher

detractor

noun
  • A person who belittles the worth of another person or cause. 

well-wisher

noun
  • Someone who makes a wish at a wishing well. 

  • Someone who extends good wishes, or expresses sympathy, to someone else. 

How often have the words detractor and well-wisher occurred in a corpus of books? (source: Google Ngram Viewer )