| Answer | Crossword Clue |
|---|---|
| TRI | Three (prefix) |
| TER | Three: Prefix |
| TRI | Three: Prefix |
| TRI | Three: prefix. |
| TRI | Three: Prefix. |
| TRE | Three: prefix |
| TRI | Three: prefix |
| TRI | Prefix meaning "three" |
| TRI | Three-way: Prefix. |
| TRI | Denoting three: Prefix. |
| TER | Three times: Prefix. |
| TER | Three times: Prefix |
| TRI | Three-way: Prefix |
| TRI | Prefix for 'three' |
| trimethyl | a prefix or combining form (also used adjectively) indicating the presence of three methyl groups |
