s, o, n, y are letters that make 'sonny'
son, on, so, NY, Son are words within 'sonny'
1 possible definitions for 'sonny'
Under this definition, sonny is a noun and has the following properties:
cub, lad, laddie, sonny boy have the same meaning as 'sonny'
'sonny' can be a type of male child, boy.