| 100% | TENET | 5 | Principle of the empty trap |
| 96% | TENETS | 6 | Principles of the empty traps |
| 71% | TENETS | 6 | The empty traps show principles |
| 54% | TENETS | 6 | Beliefs in the empty traps |
| 54% | TAO | 3 | Organizing principle of the universe |
| 54% | TAO | 3 | Underlying principle of the universe |
| 52% | UNITY | 5 | Central principle of the Baha'i faith |
| 51% | NONVIOLENCE | 11 | Principle of the type of activism practiced by 35-Across |
| 51% | TAO | 3 | Guiding principle of the universe, in Chinese philosophy |
| 50% | YIN | 3 | Passive female principle of the universe in Chinese philosophy |
| 49% | OCCAM | 5 | Formulator of the principle of parsimony |
| 48% | UNITY | 5 | One of the seven principles of Kwanzaa |
| 48% | BAILS | 5 | Empties the boat of water |
| 48% | ROOM | 4 | The emptier it is, the more of it you have |
| 47% | STEEPLE | 7 | Sleep rough around the empty part of church |
| 47% | NET | 3 | Trap in the middle of court |
| 47% | LOBSTERPOTS | 11 | Traps off the coast of Maine |
| 46% | ZEROWASTE | 9 | Principle involving the reuse of all materials |
| 46% | BENGAL | 6 | The Brahmaputra delta empties there: Bay of __ |
| 46% | TWIN | 4 | One of the two main characters in "The Parent Trap" |
| 45% | CHARLESSLAW | 11 | Principle involving the temperature and density of gases |
| 45% | ALTRUISM | 8 | The principle of looking out for others' welfare |
| 45% | UNITY | 5 | Principle celebrated on the first night of Kwanzaa |
| 44% | GANGESRIVER | 11 | It empties into the Bay of Bengal |
| 44% | DEEP | 4 | When used before 20a, the empty, far-off regions of the universe |
| 44% | NEST | 4 | Empty-___ syndrome (feeling of loneliness when the kids move out) |
| 43% | ABA | 3 | Analyzing the principles of learning theory |
| 43% | ORE | 3 | One of five principle resources in the game Catan |
| 43% | BLACKSEA | 8 | Body of water that the Danube river empties into |
| 43% | WORDY | 5 | Underutilizing the principle of economy of language |