| Answer | Crossword Clue |
|---|---|
| TENON | It's inserted in a mortise |
| TENON | Carpentry piece inserted into a mortise |
| OAR | It's inserted into a lock |
| DOPANT | Trace impurity inserted into a semiconductor to alter its properties |
| TENON | Member inserted into mortise. |
| CITED | Word that becomes its own synonym when RED is inserted between its first two letters |
