What words have the same vowel sound as cloud?

Words that have the same vowel sound as "cloud" include "loud," "proud," "crowd," and "shroud." These Words share the same diphthong vowel sound represented by the letters "ou." In phonetics, this sound is classified as a rounded back vowel, which is produced by rounding the lips while simultaneously moving the tongue from a more closed to a more open position in the mouth.