| Clue | Source | Date |
|---|---|---|
| Whispers, mutterings (7) | ||
| Speaks very quietly | USA Today | 16 Nov 2022 |
| Speaks softly | Wall Street Journal | 19 Jul 2021 |
| Indistinct sounds | USA Today | 15 Sep 2020 |
| Soft sounds | Thomas Joseph | 03 Jun 2017 |
| Wind sounds | ||
| Low-volume sounds | ||
| Speaks low | ||
| Rustles | ||
| Soft sounds | ||
| Speaks softly | ||
| Undertones | ||
| Soughs | ||
| Soft complaints. |