However, there are many other terms you can use depending on the context:
General terms:
* Infant: This is the most formal term for a baby, typically used in medical or scientific contexts.
* Little one: This is a common and affectionate term for a baby.
* Newborn: This refers to a baby within the first few weeks of life.
* Toddler: This term refers to a child who is learning to walk, typically between the ages of 1 and 3.
More specific terms:
* Baby boy/girl: These are common ways to refer to a baby based on their gender.
* Son/daughter: These are terms used by parents to refer to their baby.
* Grandchild/niece/nephew: These terms are used by grandparents, aunts, and uncles to refer to their baby relative.
The best term to use will depend on the situation and your relationship with the baby.