Abstract
1. Introduction
2. Affinity between Hyangch’al and Kugyŏl
2.1. Affinity in Lexical Endings
2.2. Affinity in Syntax and Content
3. Principles of Hyangch’al Spelling Viewed from the Perspective of Kugyŏl
4. Interpretation of Hyangga Using the Principle of Kugyŏl
5. Conclusion
Bibliography