What is the sound of u?
Letter U is the fifth and last vowel of the English alphabet, and it makes the /u/ sound – sounds like “uh”.
What is the sound of Ü?
Ü is often pronounced as /jʊ/ by English speakers, but such pronunciation is not correct in German. To pronounce ü correctly, round your lips as if you were to say “oo” in “cool” or “stool”, but move your tongue to say “ee” (as in “see”) instead (but don’t move your lips).