What word has the same vowel sound as sure?

The Word sure has a long OO (long U) sound that is followed by a separate R, and a silent E.

This is the same sound heard in other UR Words such as during and the US pronunciation of poor and pour. The long OO is the same as in Flute and suit. There is a similar long U (long yoo) that is heard in unit, cute, and feud.