| Clue | Source | Date |
|---|---|---|
| Utterly distinctive | The Times Concise | 17 Aug 2023 |
| Make Istanbul nervous beyond a doubt | Irish Times Crosaire | 09 Dec 2021 |
| Make Istanbul nervous beyond a doubt | Irish Times Crosaire | 01 Dec 2020 |
| Make Istanbul out to be distinctive | Irish Times Crosaire | 31 May 2018 |
| Not confusable with anything else | The Times Concise | 25 May 2016 |
| Make Istanbul mysterious? That's as plain as the nose on your face! | Irish Times Crosaire | 30 Nov 2015 |