| Clue | Source | Date |
|---|---|---|
| Joining forces | Thomas Joseph | 11 Apr 2024 |
| Joining, with 'up' | New York Times | 18 May 2019 |
| Joining, with "up" | ||
| Joining forces | Thomas Joseph | 13 Oct 2018 |
| Collaborating (with "up") | Universal | 29 Oct 2015 |
| Collaborating (with "up") | ||
| On a task force | ||
| Collaborating (with "up") | ||
| Double-___ (NBA tactic) | ||
| Collaborating, with up | ||
| Linking (up) | ||
| Joining (with "up"). | ||
| Joining forces. |