They started as same word, but their meanings have drifted apart over time.
English was never the same after the Norman Conquest
Good news for those who feel stuffy saying 'whom.'
Why does it sound strange to say 'funner' or 'funnest?'
How 'literally' can mean "figuratively"
Editor Emily Brewster clarifies the difference.
How to 'amuse-bouche' without begging pardon for your French