This time we're looking at terms related to independence and free will, as Americans prepare to celebrate Independence Day. The episode opens with a brief look at the events leading to America's break from Britain, followed by the origins of words like declaration, independent and sovereign. We also look at countries such as Sri Lanka, Belize and Zimbabwe, which changed their names after gaining greater independence. Belize's former British name came via Spanish and referenced the surrounding waters. Learn how the word bondage is related to husband, and uncover the unexpected linguistic connection between defying convention and dentistry.