assonance


assonance
as|so|nance [ˈæsənəns] n [U] technical
[Date: 1700-1800; : French; Origin: Latin assonare 'to answer with the same sound', from ad- 'to' + sonare 'to sound']
similarity in the vowel sounds of words that are close together in a poem, for example between 'born' and 'warm'

Dictionary of contemporary English. 2013.