| Clue | Source | Date |
|---|---|---|
| Sound in "sock" | Newsday | 18 Feb 2024 |
| Block letter | Newsday | 03 Jul 2021 |
| Vowel sound in "fox" | USA Today | 28 Mar 2018 |
| Vowel sound in "fox" | ||
| Sound of dogs and frogs? | Wall Street Journal | 27 Dec 2017 |
| "Mom" or "fox" sound | Universal | 26 Apr 2016 |
| Plot element? | New York Times | 08 Jan 2016 |
| Plot element? | ||
| What John has and Joan does not | ||
| Feature of pop and rock? | ||
| Element of radon or xenon |