There are 11 words that start with 'nonag'.
| nonage | nonages |
| nonagon | nonagons |
| nonagonal | nonagenarian |
| nonagenarians | nonaggression |
| nonaggressive | nonaggressions |
| nonagricultural | |
Note: These 11 words that start with 'nonag' are found from the USA & Canada version of the tournament Scrabble word list.