The repitition of consonants, but too far apart to be alliteratrion, for example: Come away, oh human child! To the waters and the wildWith a faery, hand in handFor the world's more full of weeping than you can understand. (Yeats, The Stolen Child) The repitition of w, h and f sounds makes the poem sound soft, which makes the Other place seem more pleasanr, adding to the tone of temptation in the poem.