Fant 6 synonym til dyphavsgrop
| Ord | Ant. ord | Lengde | Bruker | Dato |
|---|---|---|---|---|
| tongagropen | 1 | 11 | 377 | 2016-05-14 |
| marianegropa | 1 | 12 | 37932 | 2024-11-11 |
| Aleutergropen | 1 | 13 | 45035 | 2022-04-13 |
| atacamagropen | 1 | 13 | 10808 | 2022-04-12 |
| marianegropen | 1 | 13 | 2 | 2008-05-31 |
| marianergropen | 1 | 14 | 5 | 2009-10-09 |