They started as same word, but their meanings have drifted apart over time.
Comedian ISMO on what separates a boot from a trunk
A word that (literally) drives people nuts
Many of today's grammar rules can be traced to the opinions of one 18th century writer.
A simple way to keep them apart. (Most of the time.)
Editor Emily Brewster clarifies the difference.
An imaginary word that snuck into the dictionary