The repeated expressions appeared in the collection of Chungguyeungean, Haedonggayo, and Gagokwonryeu, show the structures of homophonic repetition or pseudo repetition. In homophonic repetition, the characteristics like repetition meaning, derivation meaning. In repetition meaning, the characteristics like "action", "state", "naming", "question", and "sound". In derivation meaning, the characteristics like "request", "naming". In pseudo repetition, the characteristics like compound meaning, derivation meaning. In compound meaning, The characteristics like "action", "state", "naming", and "sound". In derivation meaning, The characteristics like "request". The words used in homophonic repetition also appears as duplication meaning or repeated forms, but it is not easy for the words used in pseudo repetition to appear as duplication meaning. In pseudo repetition, the characteristics of the latter words are decided according to those of the former words, but these words are fixed ones like idiomatic words. The relation of meanings between the former words and the latter words in pseudo repetition is the same as the one of meanings in antonym.