There are 7 4-letter words that start with 'ou'.
| ouch | ouds | ouph | ours | oust |
| outs | ouzo | |||
Note: These 7 4-letter words that start with 'ou' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with out, our, ous, oug, ouc, oup, ouz, oua, oub, oud, oui, oun.
3-letter words start with 'ou' (3)