sort by Rank | Alpha
| Possible Meanings | Rank |
| Deferred Retirement Optional Program | ** |
| Direct Resistance of Privilege | ** |
| Delayed Retirement Option Plan | ** |
| Deferred Retirement Optional Plan | ** |
| Diabetes Regional Outreach Partnership | ** |
| Drug Reduction of Probationers | * |
| Disaster Recovery Operations Plan | * |
| Directional random oligonucleotide primed | * |
| Double Role of Photochromism | * |
| Dino Russ is On the Prowl | * |
| Distribution Register of Organic Pollutants | * |