The word "darling" is often used as a term of endearment for someone who is loved or cherished. However, there are many other synonyms that can be used to express the same sentiment. Some popular options include "sweetheart," "love," "dear," "beloved," "honey," "angel," "precious," and "treasure." Each of these words has a slightly different connotation or tone, but they all convey a sense of affection and warmth towards the person being addressed. Ultimately, the choice of synonym will depend on the relationship between the speaker and the recipient, as well as the context in which it is being used.