| Answer | Crossword Clue |
|---|---|
| RATATAT | Knocking sound |
| RATTAT | Knocking sound. |
| RATTAT | Knocking sound |
| RATATATTAT | Knocking sound |
| RATATAT | Imitative knocking sound |
| BONK | Noggin-knocking sound |
| PING | Sound of knocking |
| ATAT | Rat-.. (knocking sound) |
| RATA | ...-tat (knocking sound) |
| RATATAT | Sound of repeated knocking. |
| tictacs | repetitive sound, as of ticking, tapping, knocking, or clicking |
| knockless | of an engine, bearing or fuel, producing no knocking sound |
