Synonyms for Darling (same or very similar meaning)
WordNet sense 1 (a special loved one):
dearie, ducky, pet, deary, favorite, favouriteWordNet sense 2 (an Australian river; tributary of the Murray River):
Darling RiverWordNet sense 3 (dearly loved):
beloved, dearWordNet sense 4 (held dear):
lovedFrom the ODE community, based on WordNetadd/edit