kid

(こども) The usual word for child.   $$$
 
(わらべ) An archaic, literary/poetic word for child. Usually seen on CDs for children’s’ songs: 童のうた.
 
(じどう) A  somewhat bureaucratic word for children. Usually seen on signs at the library:“Children’s’ room” or at city hall:“Department of Children’s’ welfare” or “child services.”
 
() Infant. NUBI
 
(しょうにか) Pediatrics.