There are 20 6-letter words that start with 'bou'.
| boubou | boucle | boudin | bouffe | boughs | 
| bought | bougie | boules | boulle | bounce | 
| bouncy | bounds | bounty | bourgs | bourne | 
| bourns | bourse | boused | bouses | bouton | 
Note: These 20 6-letter words that start with 'bou' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with boun, bour, boul, boug, bous, bout, bouc, boud, bouf, boui, bouv, bouz, boub, bouq.
4-letter words start with 'bou' (1)