Two stressed syllables alliterate when they begin with the same sound. They are often near-synonyms or antonyms, alliterate, or rhyme. Vowels alliterate with any other vowel, as with and . The second stressed syllable of the off-verse does not usually alliterate with the others. In the text below, the letters that alliterate are bolded. Each tongue-twister has a letter that they alliterate. One full lift in each half-line must alliterate. In the first half-line, both lifts can alliterate; the stronger one must do so.