In Portuguese, the term for calling someone "baby" or something similar as a term of endearment is "bebê." It is a common affectionate term used by couples to express love and tenderness towards each other. Similar terms of endearment in Portuguese include "amor" (love), "querido/a" (dear), and "meu/miha querido/a" (my dear). These terms are often used as a way to show affection and closeness in relationships.