| Infinitive | Participle | Gerund | Adjective |
|---|---|---|---|
| darl | darled | darling | darlable |
| despic | despiced | despicing | despicable |
| dirige | diriged | diriging | dirigible |
| dishevel | disheveled | disheveling | dishevelable |
| duckle | duckled | duckling | ducklable |
| dumple | dumpled | dumpling | dumplable |
| dure | dured | during | durable |