There are plenty of different words that can be used to refer to a "baby doll". Some common synonyms include "doll baby", "doll", "infant doll", "toy baby", "reborn doll", "realistic doll", and "playmate doll". These words are all different ways to refer to a small, typically plastic or cloth toy that is designed to resemble a baby or infant. Depending on the specific type of doll, it may have realistic features such as hair and clothing, or it may be more abstract and toy-like in appearance. Whatever the case may be, a "baby doll" can be a fun and comforting toy for children of all ages.