he threw a rock at me.
he was her rock during the crisis.
rock is a generic term for the range of styles that evolved out of rock'n'roll..
rock the baby.
rock the cradle.
She rocked back and forth on her feet.
stone is abundant in New England and there are many quarries.
that mountain is solid rock.
the ship was rocking.
the tall building swayed.
the wind swayed the trees gently.
Thou art Peter, and upon this rock I will build my church.