Is it 'further' or 'farther'?

<p><em>Further</em> and <em>farther</em>. They're one letter apart; how different could they be? Well, we regret to inform you that English is at it again. Also, let's get into another linguistic curiosity: how did we end up with the phrase "raining cats and dogs"?</p><p>Hosted by Emily Brewster, Neil Serven, Ammon Shea, and Peter Sokolowski.</p><p>Produced in collaboration with New England Public Media.</p><p>Transcript available&nbsp;<a href="https://www.merriam-webster.com/word-matters-podcast/episode-41-further-farther" rel="noopener noreferrer" target="_blank">here</a>.</p><p>See Privacy Policy at <a href="https://art19.com/privacy" rel="noopener noreferrer" target="_blank">https://art19.com/privacy</a> and California Privacy Notice at <a href="https://art19.com/privacy#do-not-sell-my-info" rel="noopener noreferrer" target="_blank">https://art19.com/privacy#do-not-sell-my-info</a>.</p>