They started as same word, but their meanings have drifted apart over time.
Some imitative words are more surprising than others
A word that (literally) drives people nuts
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'
Why don't they call it the Merriam-Webster comma?
Thawing one of the mysteries of English
