They started as same word, but their meanings have drifted apart over time.
Comedian ISMO on what separates a boot from a trunk
'Poets laureate'? 'Court-martials'? The curious history of postpositive adjectives in English.
'Between you and __'? Simple guidance for a tricky pronoun.
You all would not have guessed some of these
We're gonna stop you right there
The most common vowel sound in English causes many spelling problems.