| Clue | Source | Date |
|---|---|---|
| Small rubber duck, say | Eugene Sheffer | 14 Dec 2024 |
| Duck, e.g | New York Times | 16 Mar 2022 |
| Small boat, maybe | New York Times | 09 Jun 2019 |
| Small boat, maybe | ||
| Rubber duck, for one | Newsday | 16 Dec 2018 |
| Rubber ducky, e.g | New York Times | 01 Jun 2017 |
| Rubber ducky, e.g. |