| Clue | Source | Date |
|---|---|---|
| Three more than quadri- | Wall Street Journal | 25 Feb 2023 |
| Seven, in combinations | Wall Street Journal | 19 Jun 2021 |
| Three more than quadri- | Premier Sunday | 19 Jul 2020 |
| Three more than quadri- | ||
| Octa- minus one | ||
| Numerical prefix | ||
| Numerical word form | ||
| Seven, in combinations | ||
| One below octo- | ||
| Starter for cemia or lateral | ||
| Seven: Prefix | ||
| Seven: Comb. form | ||
| Numerical prefix. | ||
| Calendar entry, for short. | ||
| Seven: Prefix. | ||
| Seven: Comb. form. | ||
| The Dog Star. |