sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Search for Neutrinoless | **** |
| Santierul Naval Orsova | *** |
| Student Nursing Organization | *** |
| Sierra Nevada Observatory | *** |
| Scheidsrechter Niet Opgekomen | *** |
| Sindacato Nazionale Odontotecnici | *** |
| Sacred Nemesis Online | *** |
| Senior Night Out | *** |
| Student Nurses Organization | *** |
| Society for Neuro Oncology | *** |
| srpska narodna odbrana | *** |
| Service Niveau Overeenkomst | *** |
| Scottish National Orchestra | *** |
| Spese Non Obbligatorie | *** |
| Safer Neighbourhoods Officer | *** |
| Student Nurse Organization | *** |
| Student Nutrition Organization | *** |
| Sierra Nevada Outdoors | *** |
| Site Non Officiel | *** |
| Siberians Needing Owners | *** |
| Solar Neutrino Observatory | *** |
| Service and Network Operations | *** |
| senecionine N-oxygenase | ** |
| spermine nitric oxide | ** |
| Still Not Observed | ** |
| Sensor Network Operation | ** |
| Sheridan Neighborhood Organization | ** |
| sunday night orchestra | ** |
| Soccer Northwest Ontario | ** |
| Society of Neuro Oncology | ** |
| Send Nukes on Overflow | ** |
| Services as Neotel | ** |
| Student Network Organisation | ** |
| Slovak National Observatory | ** |
| Student National Origin | ** |
| Syracuse Neuroscience Organization | ** |
| Student Network Organization | ** |
| Senior Naval Officer | ** |
| Senior Navigation Officer | ** |
| Stichting NAAV Onderwijs | ** |
| Satellite Network Operators | ** |
| Social Networking Optimisation | ** |
| Surface Naval Officers | ** |
| Sikh Nation Organisation | ** |
| Simultaneous NADIR Overpasses | ** |
| Supply Network Operations | ** |
| Scout National Orthodox | ** |
| Second National Operators | ** |
| Senior Nursing Officer | ** |
| Staff Nursing Officer | ** |
| Subdury Neutrino Observatory | ** |
| Should Never Occur | ** |
| Special Narcotics Organization | ** |
| Sunday Night Op | * |
| Skiers Night Out | * |
| Subcommittee for NRC Oversight | * |
| Swiss Nordicfitness Organisation | * |
| SGF New Orleans | * |
| Solvent Neutral Oil | * |
| Special Needs Officers | * |
| Sunshine Number One | * |
| Seminole Nation of Oklahoma | * |
| Simpson Nothing Origin | * |
| Spaniards in the Net Outside | * |
| Station Number One | * |
| Stay of any Notice or Order | * |
| Suomen Nuorten Opiskelijoiden | * |
| Swedish National Occupational | * |