dear heart vs hon

dear heart

noun
  • Term of affection; sweetheart. 

hon

noun
  • Honey, sweetheart, a term of endearment; (Southern US) a friendly term of address. 

  • A trans woman who does not pass; a clocky trans woman. 

intj
  • ; (typically) cheering a sports team, especially a GAA team; exhortation or encouragement come on; congratulations well done, bravo 

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