proven vs romantic

proven

adj
  • Having been proved; having proved its value or truth. 

romantic

adj
  • Pertaining to an idealised form of love (originally, as might be felt by the heroes of a romance); conducive to romance; loving, affectionate. 

  • Experiencing romantic attraction. 

  • Having the qualities of romance (in the sense of something appealing deeply to the imagination); invoking on a powerfully sentimental idea of life; evocative, atmospheric. 

  • Fantastic, unrealistic (of an idea etc.); fanciful, sentimental, impractical (of a person). 

  • Of a work of literature, a writer etc.: being like or having the characteristics of a romance, or poetic tale of a mythic or quasi-historical time; fantastic. 

noun
  • A person who is behaving romantically (in a manner befitting someone who feels an idealized form of love). 

  • A person with romantic character (a character like those of the knights in a mythic romance). 

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