| Clue | Source | Date |
|---|---|---|
| Like some consonants or private thoughts? (8) | ||
| Describing e.g. the letter 'p' in the word 'psychology' (8) | ||
| Not expressed (8) | The Guardian Quick | 14 May 2024 |
| Not expressed | The Guardian Quick | 14 Feb 2023 |
| Silent | The Times Concise | 19 Sep 2021 |
| Not spoken | The Times Concise | 16 Aug 2017 |
| On paper only, submitted bill with new heading? | The Telegraph Toughie | 22 Feb 2017 |
| Like P, T, K and S, conducive to change without a leader | ||
| Not spoken. |