They started as same word, but their meanings have drifted apart over time.
Our research turned up two archaic literal meanings
English was never the same after the Norman Conquest
An imaginary word that snuck into the dictionary
You all would not have guessed some of these
Soop, wimmen, and headake did not make the cut
'Poets laureate'? 'Court-martials'? The curious history of postpositive adjectives in English.