| Answer | Crossword Clue |
|---|---|
| PITTER | Half of a tapping sound |
| CHOO | Half of a train sound. |
| PAH | The other half of a tuba sound |
| PAH | Half a tuba sound |
| DONG | Half a doorbell sound |
| TOCK | Half-a-second sound |
| WAH | Half a trumpet's sound |
| PUT | Half a motorboat sound |
| TOCK | Half a clock sound |
| OOM | Half a tuba sound |
| CHOO | Half a track sound |
| WAH | Half a horn sound |
| CHOO | Half a train sound |
