There are 11 words that start with 'arbori'.
| arborist | arborize |
| arborists | arborized |
| arborizes | arborizing |
| arborization | arboriculture |
| arborizations | arboricultural |
| arboricultures | |
Note: These 11 words that start with 'arbori' are found from the USA & Canada version of the tournament Scrabble word list.