They started as same word, but their meanings have drifted apart over time.
Comedian ISMO on what separates a boot from a trunk
Is 'alright' all right?
Comedian ISMO tries to figure out 'one' and 'two'
How an ancient philosophical movement devoted to the pursuit of virtue came to describe eye-rolling criticism.
Some imitative words are more surprising than others
The most common vowel sound in English causes many spelling problems.