sort by Rank | Alpha
| Possible Meanings | Rank |
| Record of Needs | ***** |
| Remote Office Network | **** |
| Reality on the Norm | **** |
| Recruiters Online Network | **** |
| Raiders of the North | *** |
| Repository Object Navigator | *** |
| Research on Net | *** |
| Re Open Nominations | *** |
| Resilient Overlay Networks | *** |
| Reactive Oxygen and Nitrogen | *** |
| Radio Oklahoma Network | *** |
| Return of the Natives | *** |
| Realm of Napalm | *** |
| Radial Optic Neurotomy | *** |
| Rulers of the Night | *** |
| Reflecting on Nature | *** |
| Receptors in Node | *** |
| Reasearch Octane Number | *** |
| Rediff On the Net | *** |
| Regionale Omroep Noord | *** |
| Radiation Optic Neuropathy | ** |
| rat optic nerves | ** |
| retinal optic nerve | ** |
| rhinogenic optic neuritis | ** |
| Regional Optical Networks | ** |
| retrobulbar optic neuritis | ** |
| Radiation-induced optic neuropathy | ** |
| Regionale Ontwikkelingsmaatschappij Noordzeekanaalgebied | ** |
| reorienting of attention | ** |
| Rat Optic Nerve | ** |
| RIT Overlay Network | ** |
| Region of NCTRCA | ** |
| Resources Opportunities Network | ** |
| Rural Observatories Network | ** |
| Random Octane Number | ** |
| Rated Octane Number | ** |
| Request Order Number | ** |
| Remained Over Night | ** |
| Research Oktan Number | * |
| Right Over Network | * |
| Rsearh Octane Number | * |
| Requisition Order Number | * |
| Rcgov Org Newsletter | * |
| Regional OBIS Nodes | * |
| Run Occurrence Number | * |
| Rhinichthys Osculus Nevadensis | * |
| Receipt Of Notice | * |
| Receipt Of Notification | * |
| Results Of Noncompliance | * |
| Route Order Number | * |