boy
bub
bubba
buck
bud
buddy
child
colt
cub
daughter
descendant
fellow
fledgling
foster child
grandchild
granddaughter
grandson
heiress
hobbledehoy
lad
laddie
manchild
master
muchacho
offspring
pup
puppy
schoolboy
scion
son
son and heir
sonny boy
stepchild
stepdaughter
stepson
whelp
young man
youth
Tunney
bunney
bunny
funny
gunny
honey
money
runny
sunny
tunny