| Rating | Solver | Clue |
|---|---|---|
| MURMUR | Hum | |
| BUZZ | Hum | |
| DRONE | Hum tunelessly | |
| BEE | Hum bug | |
| HUMMED | Of Hum | |
| HUMMING | Of Hum | |
| NOISE | Loud hum, white ... | |
| BOMBILATE | To hum; to buzz. | |
| BOMBINATE | To hum; to boom. | |
| CROON | To hum or sing in a low tone; to murmur softly. | |
| TUNE | To utter inarticulate harmony with the voice; to sing without pronouncing words; to hum. | |
| HUM | To sing with shut mouth; to murmur without articulation; to mumble; as, to hum a tune. | |