They started as same word, but their meanings have drifted apart over time.
The awkward case of 'his or her'
Is 'alright' all right?
Comedian ISMO on the complexities of the word 'tip'
How to 'amuse-bouche' without begging pardon for your French
There, there. We'll sort it out.
Why don't they call it the Merriam-Webster comma?
