There are 9 words that start with 'nonal'.
| nonaligned | nonallelic |
| nonallergic | nonaluminum |
| nonalcoholic | nonalignment |
| nonalignments | nonallergenic |
| nonalphabetic | |
Note: These 9 words that start with 'nonal' are found from the USA & Canada version of the tournament Scrabble word list.