| Rating | Solver | Clue |
|---|---|---|
| DROP | Plummet | |
| FALL | Plummet | |
| LEAD | A plummet or mass of lead, used in sounding at sea. | |
| SOUND | To measure the depth of; to fathom; especially, to ascertain the depth of by means of a line and plummet. | |
| PLUMB | To sound with a plumb or plummet, as the depth of water; hence, to examine by test; to ascertain the depth, quality, dimension, etc.; to sound; to fathom; to test. | |