'Poets laureate'? 'Court-martials'? The curious history of postpositive adjectives in English.
They started as same word, but their meanings have drifted apart over time.
English was never the same after the Norman Conquest
Is it all the same anyway?
We believe the popular usage of this word is correct
And how did it get that name?
An old-fashioned rule we can no longer put up with.