The name "Jewelyn" is a unique spelling of the name "Julie" or "Jewel." The word is pronounced as /dʒuːlɪn/. The "J" sound is pronounced as /dʒ/, while the "e" in the name is pronounced as /i/. The letter "y" in "Jewelyn" represents the sound of /i/ as well. The combination of letters "we" in the name is pronounced as /uː/. Clearly, the spelling of the word "Jewelyn" deviates from the standard spelling of the name, but it provides a unique and memorable way to represent the name.