叠韵[dié yùn]
词典two or more characters with the same vowel formation:叠韵。
词典叠韵的解释
词典vowel rhyme:叠韵。
danci.911cha.com
{语} two or more characters with the same vowel formation; vowel rhyme (音韵学术语, 指两个字的韵部相同)