| Answer | Crossword Clue |
|---|---|
| TER | Cousin of tri- |
| TER | Kin of tri |
| UNI | A third of tri- |
| MONO | A third of tri- |
| MONO | One-third of tri- |
| MONO | One-third of "tri-" |
| HBO | One-third of Tri-star Pictures |
| TATLER | English tri-weekly of 1709-11. |
| ORTHO | ... Tri-Cyclen (brand of the pill) |
