They started as same word, but their meanings have drifted apart over time.
And is one way more correct than the others?
A simple way to keep them apart. (Most of the time.)
How the irregular 'snuck' sneaked into the dictionary
How 'literally' can mean "figuratively"
Comedian ISMO on what separates a boot from a trunk
Comedian ISMO tries to figure out 'one' and 'two'