Since dialects vary and languages change over time, lines that rhyme in a given register or era may not rhyme in another, and it may not be clear how one should pronounce the words so that they rhyme. An example is this couplet from Handel's Judas Maccabaeus: Rejoice, O Judah, and in songs divine With cherubim and seraphim harmonious join.Kelly, Thomas Forest (2011). Early Music: A Very Short Introduction, p.83. .
Since dialects vary and languages change over time lines that rhyme in a given register or era may not rhyme in another and it may not be clear how one should pronounce the words so that they rhyme An example is this couplet from Handel's Judas Maccabaeus Rejoice O Judah and in songs divine With cherubim and seraphim harmonious joinKelly Thomas Forest (2011) Early Music A Very Short Introduction p83 