sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Pitting Resistance Equivalence Number | ** |
| Parenting Resource and Education Network | ** |
| Pitting Resistance Equivalency Number | ** |
| Portland Research and Educational Network | * |
| Poverty Reduction and Environmental | * |
| Parenting Resource Education Network | * |
| Portland Regional Educational Network | * |