They started as same word, but their meanings have drifted apart over time.
There, there. We'll sort it out.
What's with his feathered cap?
Here's the lowdown on what may be the most confusing pair of words in the English language.
Comedian ISMO on the complexities of the word 'tip'
Is it all the same anyway?
Comedian ISMO on what separates a boot from a trunk