pronunciation "Ball" and "bowl" do they really sound the ...
In bowl, the vowel is a diphthong, which means that there is a glide between two different sounds. The same diphthong occurs in low /ləʊ/ in BrE and /loʊ/ in AmE. You can see the difference clearly in this spectrogram of a British English speaker saying ball and bowl. In the first word, ball, the long vowel is the same all the way through.