| 100% | RATATAT | 7 | Sound of swift repeated knocks on the door |
| 50% | RATATATTAT | 10 | Sound of knocking on a door |
| 49% | RAP | 3 | Knock on the door |
| 48% | RAP | 3 | Sound of a knock at the door |
| 48% | ENTER | 5 | Formal response to a knock on the door |
| 48% | MAYICOMEIN | 10 | Question implied by a knock on the door |
| 47% | TAPS | 4 | Gentle knocks on the door |
| 47% | RAP | 3 | Sharp knock on the door |
| 47% | ANYBODY | 7 | "Is ___ home?" (question after knocking on the door) |
| 46% | ENTER | 5 | Answer to a knock on the door |
| 46% | COIN | 4 | *Response to a knock on the door |
| 44% | ONIN | 4 | "Come ___" (response to a knock on the door): 2 wds. |
| 43% | RATATATTAT | 10 | Sound of knocking at a door |
| 43% | PITAPAT | 7 | Sound of rain on the roof |
| 43% | SCREECH | 7 | Sound of slamming on the brakes |
| 42% | SPLAT | 5 | Sound of pudding falling on the floor |
| 42% | ESS | 3 | Sound of the letter on Superman's chest |
| 41% | OOF | 3 | Sound of the wind getting knocked out of you |
| 40% | OPEN | 4 | Sign on the front door of a business |
| 40% | THUD | 4 | Loud sound of falling on the floor, say |
| 40% | BANG | 4 | Sound of an angry teen closing the door, maybe |
| 40% | RATES | 5 | Posting on the back of a hotel room door |
| 40% | PSI | 3 | No. listed on the inside of car doors, often |
| 39% | NOENTRY | 7 | Sign on the outside of an exit door (2 wds.) |
| 39% | JUSTHAVINGABYTE | 15 | Message on the locked door of a hacker's basement? |
| 39% | DASHEDOUTTOHEAT | 15 | Message on the locked door of a furnace repair shop? |
| 39% | SPLOSH | 6 | Quiet sound of water on the side of a pail, say |
| 39% | CLOSEDFORLAUNCH | 15 | Message on the locked door of a yacht refitter's office? |
| 39% | OUTGETTINGCHIPS | 15 | Message on the locked door of a computer designer's office? |
| 38% | OPENINGBELL | 11 | Sound that signals the start of trading, on a stock exchange |