They started as same word, but their meanings have drifted apart over time.
How 'literally' can mean "figuratively"
Soop, wimmen, and headake did not make the cut
Or both? Or neither?
Many of today's grammar rules can be traced to the opinions of one 18th century writer.
And how did it get that name?
'Poets laureate'? 'Court-martials'? The curious history of postpositive adjectives in English.