They started as same word, but their meanings have drifted apart over time.
A simple trick to keep them separate
A simple way to keep them apart. (Most of the time.)
Some imitative words are more surprising than others
Editor Emily Brewster clarifies the difference.
Comedian ISMO tries to figure out 'one' and 'two'
How to 'amuse-bouche' without begging pardon for your French
