'Poets laureate'? 'Court-martials'? The curious history of postpositive adjectives in English.
A simple way to keep them apart. (Most of the time.)
Head, shoulders, metaphors, and toes
They started as same word, but their meanings have drifted apart over time.
Comedian ISMO tries to figure out 'one' and 'two'
And who put it there, anyway?
Why don't they call it the Merriam-Webster comma?