There are 14 words that start with 'boug'.
| bough | boughs | 
| bought | bougie | 
| boughed | bougies | 
| boughpot | boughten | 
| boughless | boughpots | 
| bougainvillea | bougainvillaea | 
| bougainvilleas | bougainvillaeas | 
Note: These 14 words that start with 'boug' are found from the USA & Canada version of the tournament Scrabble word list.