sweetheart (used especially as a term of endearment).
8 Lesser-Known Terms Of Endearment To Try On Your SweetieWhy settle for “honey” or “sweetie” when you can call your beloved one of these?
Origin of sweetie pie
First recorded in 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019