There are 15 words that start with 'dimin'.
| diminish | diminished |
| diminishes | diminuendo |
| diminution | diminutive |
| diminishing | diminuendos |
| diminutions | diminutives |
| diminishable | diminishment |
| diminutively | diminishments |
| diminutiveness | |
Note: These 15 words that start with 'dimin' are found from the USA & Canada version of the tournament Scrabble word list.