They started as same word, but their meanings have drifted apart over time.
Some practical guidance, and interesting history, about a common mistake.
An old-fashioned rule we can no longer put up with.
Why don't they call it the Merriam-Webster comma?
Soop, wimmen, and headake did not make the cut
Or both? Or neither?
A simple way to keep them apart. (Most of the time.)