| Clue | Source | Date |
|---|---|---|
| State truly worse at sports | ||
| Affirm strongly | Premier Sunday | 17 Dec 2023 |
| Certify | The Washington Post | 26 Feb 2022 |
| Certify | LA Times Daily | 26 Feb 2022 |
| Declare under oath | Newsday | 10 Dec 2018 |
| Guarantee | New York Times | 16 Sep 2018 |
| Guarantee | ||
| Certify | Thomas Joseph | 16 Jul 2015 |
| Solemnly affirm | ||
| Certify | ||
| Affirm under oath | ||
| Affirm under oath | ||
| Vouch for | ||
| Affirm | ||
| Avow | ||
| Make a promise regarding | ||
| Affirm | ||
| Testify about | ||
| Certify | ||
| Affirm under oath | ||
| Take an oath regarding | ||
| Affirm | ||
| Attest | ||
| Attest | ||
| Affirm under oath | ||
| Affirm earnestly | ||
| Affirm earnestly | ||
| Declare the truth of | ||
| Affirm | ||
| Testify about | ||
| Affirm under oath | ||
| Vouch for |