darling vs ducky

darling

adj
  • charming 

  • Dear; cherished. 

noun
  • A kind or sweet person; sweetheart. 

  • An affectionate term of address. 

  • A person or thing very popular with a certain group. 

  • A person who is dear to one. 

ducky

adj
  • Darling, charming, cute. 

  • Resembling or characteristic of a duck. 

noun
  • A duck (aquatic bird), especially a toy rubber duck. 

  • An affectionate pet name. 

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