General:
* குழந்தை (kuzhandai) - This is the most common and general term for "child".
* பிள்ளை (pillai) - This is another common word, often used for children of both genders.
Specific to gender:
* பையன் (paiyan) - This is for "boy".
* பெண் (pen) - This is for "girl".
Other variations:
* குழந்தைகள் (kuzhandaikkal) - This is the plural form for "children".
* சிறுபிள்ளை (sirupillai) - This translates to "small child", often used for young children.
The best choice depends on the specific situation and the age of the child.