| 100% | OCTOPI | 6 | Deep-ocean mollusks |
| 74% | PACIFIC | 7 | The deepest ocean |
| 69% | CHIMAERA | 8 | Ghost shark of deep ocean waters |
| 69% | MINISUB | 7 | Small vessel in the deep ocean |
| 69% | TRENCH | 6 | Mariana ___ (world's deepest ocean point) |
| 66% | TWILIGHT | 8 | __ zone; deep ocean layer lit by natural beams |
| 66% | ABYSSAL | 7 | __ plain; flat expanse of the deep ocean floor |
| 63% | PACIFIC | 7 | — Ocean, Earth's largest and deepest |
| 63% | NAUTILUS | 8 | Indian ocean spiral-shelled mollusk |
| 61% | MARIANA | 7 | Deepest known part of the Pacific Ocean: __ Trench |
| 60% | ARCTIC | 6 | Litke Deep, deepest point in the __ Ocean |
| 60% | NEMATODE | 8 | Worm found in every ecosystem on Earth, even the deepest oceans |
| 59% | MARIANA | 7 | __ Trench, deepest known part of the ocean |
| 59% | TRENCH | 6 | Mariana __, deepest point of the Pacific Ocean |
| 58% | HADAL | 5 | Relating to the deepest parts of the ocean |
| 56% | MARIANA | 7 | Trench that's the deepest part of the ocean |
| 53% | GUANABARABAY | 12 | Deep inlet of the Atlantic Ocean upon which Rio de Janeiro, Brazil, stands |
| 51% | OPRAH | 5 | Her first book club choice was "The Deep End of the Ocean" |
| 51% | OPRAHSBOOKCLUB | 14 | TV segment whose first selection was "The Deep End of the Ocean" |
| 51% | MARIANA | 7 | ___ Trench, deepest natural trench in the world, located in the Pacific Ocean |
| 49% | MARIANA | 7 | ___ Trench (deepest ocean spot on earth) |
| 48% | SEAPIG | 6 | Common name for a deep-ocean cucumber |
| 46% | GUANABARA | 9 | — Bay, deep inlet of the Atlantic Ocean in Brazil upon which Rio de Janeiro stands |
| 44% | WADING | 6 | Going ankle-deep in the ocean, say |
| 43% | TRENCH | 6 | Mariana ___, deepest part of the Earth's oceans and where James Cameron completed a solo descent |
| 43% | PEARL | 5 | Bead of mollusks |
| 43% | PEARLS | 6 | Gems from mollusks |
| 43% | OYSTERS | 7 | Raw bar mollusks |
| 42% | BRINY | 5 | Ocean |