<p><strong>Noun</strong></p><ul><li>the commencement of two or more stressed syllables of a word group either with the same consonant sound or sound group (consonantal alliteration), as in "from stem to stern"</li><li>with a vowel sound that may differ from syllable to syllable (vocalic alliteration), as in "each to all"</li><li>the commencement of two or more words of a word group with the same letter, as in "apt alliteration's artful aid"</li></ul>