What is the difference between discover and unearth in English?

Greetings, dear students! The world of language is like an uncharted territory, filled with countless words and their meanings. Today, we embark on a linguistic journey, focusing on two captivating terms: 'discover' and 'unearth'. At first glance, they may appear interchangeable, but as we dig deeper, we'll find that they have distinct connotations.