They started as same word, but their meanings have drifted apart over time.
'Poets laureate'? 'Court-martials'? The curious history of postpositive adjectives in English.
Why don't they call it the Merriam-Webster comma?
How to remember which is which
'Between you and __'? Simple guidance for a tricky pronoun.
How 'literally' can mean "figuratively"
What's with his feathered cap?