They started as same word, but their meanings have drifted apart over time.
Here's the lowdown on what may be the most confusing pair of words in the English language.
'Between you and __'? Simple guidance for a tricky pronoun.
Is there one standard way?
English was never the same after the Norman Conquest
'Poets laureate'? 'Court-martials'? The curious history of postpositive adjectives in English.
The best way to find information in the dictionary