In English, the letters OU can make different sounds. One common sound is the long /oo/ sound, like in moon or food. This sound appears in many everyday words. Some of these words come from French, while others follow older English spelling patterns.

When Does OU Sound Like Long OO?

There is no strict grammar rule, but this pattern is common in familiar words like you, group, and soup. It also appears in words ending in -oup and some -ough spellings, such as through. Although it is not a fixed phonics rule, it is a useful pattern that learners should recognize.

Common OU Words That Sound Like /oo/

More Useful Examples

Important Note

OU does not always make the long /oo/ sound. In some words it sounds like /ow/ as in house, /uh/ as in country, or short /oo/ as in could. That is why it is important to learn common spelling patterns instead of relying on one fixed rule.