alliteration
noun [ U ] literature specialized uk/əˌlɪt.əˈreɪ.ʃən/ us/əˌlɪt̬.əˈreɪ.ʃən/
头韵（尤指诗歌中一组词以发音相同的辅音开头）
the use, especially in poetry, of the same sound or sounds, especially consonants, at the beginning of several words that are close together
"Round the rugged rocks the ragged rascal ran" uses alliteration. Round the rugged rocks the ragged rascal ran uses alliteration（衣衫褴褛的流氓绕着嶙峋的岩石跑）这个英语句子采用了头韵修辞法。
Compare: assonance