There are 13 words that start with 'flour'.
| flour | flours |
| floury | floured |
| flouring | flourish |
| flourless | flourished |
| flourisher | flourishes |
| flourishers | flourishing |
| flourishingly | |
Note: These 13 words that start with 'flour' are found from the USA & Canada version of the tournament Scrabble word list.