rhyme:韵律 from the position : end rhyme尾韵, alliteration头韵
friend rhymes with 6. bubble rhymes with 7.
1) end rhyme: rhyme found at the ends of verse lines. e.g.
例子如下图 韵尾(end rhyme):韵出现在韵线结尾的重读音节上
have different letters but still rhyme: grocer/closer end rhyme