sort by Rank | Alpha
| Possible Meanings | Rank |
| Term of Service | **** |
| Trek the Original Series | **** |
| Tennessee Ornithological Society | **** |
| The Only Sequel | **** |
| Time of Service | **** |
| Theosophical Order of Service | **** |
| The Original Star | **** |
| The Texas Ornithological Society | **** |
| Touched the Sky | **** |
| Teenagers from Outer Space | **** |
| The Original Screenplay | **** |
| The Oceanographic Society | **** |
| Time Operating System | **** |
| Technical Operational Support | **** |
| Third Order Stream | *** |
| The Tennessee Ornithological Society | *** |
| Theft of Service | *** |
| Type Of Storage | *** |
| Trees Or Shrubs | *** |
| Texas Ornithological Society | *** |
| Thuis Op Straat | *** |
| Their Old Super | *** |
| Taken Out and Shot | *** |
| Term of Services | *** |
| Terapia Ormonale Sostitutiva | *** |
| Treasurer of State | *** |
| Test of Standards | *** |
| Taken Out of Service | *** |
| Top of the System | *** |
| The Online System | *** |
| toxic oil syndrome | *** |
| Tagalog on Site | *** |
| The Other Service | *** |
| Transfer Offset System | *** |
| Technical Order System | *** |
| Theatre of the Silence | *** |
| Tropical Orchid Society | *** |
| To Out of State | *** |
| the oporto show | *** |
| Tutorial on Sampling | *** |
| The Operation System | *** |
| Total Organic Solids | *** |
| Theory of Sampling | *** |
| Tampa Oratorio Singers | *** |
| The Orchid School | *** |
| Tourism Opportunities Study | *** |
| Tacoma Orthopaedic Surgeons | *** |
| Technical and Operational Support | *** |
| The Ocean Sciences | *** |
| Terrebonne Orchid Society | *** |
| Timesharing OPerating System | *** |
| Total Office Solution | *** |
| Time Of Submittal | *** |
| telangiectatic osteogenic sarcoma | ** |
| therapeutic-occupational shops | ** |
| thoracic out syndrome | ** |
| Thoracic outlet syndromes | ** |
| tissue oxygen saturation | ** |
| toxic oxygen species | ** |
| trabecular osteoid surfaces | ** |
| The Outdoor School | ** |
| The Open Scroll | ** |
| Transfer Orbit Services | ** |
| Throw Out Shopping | ** |
| TPF Operations Server | ** |
| thoracic outlet compression syndrome | ** |
| tincture of opiate solution | ** |
| to onset of shivering | ** |
| Tanta Oil and Soap | ** |
| Thermal Oxidative Stability | ** |
| Time of Solution | ** |
| Talk Origins Site | ** |
| Terms of Serice | ** |
| Testing Or Sampling | ** |
| Transparent Operating System | ** |
| Test Operating System | ** |
| Torasik Outlet Sendromu | ** |
| toxic organic chemicals | ** |
| Turkse Omroep Stichting | ** |
| Treaty on Open Skies | ** |
| Temporary Out of Service | ** |
| Templar of Steel | ** |
| Terms of Shipment | ** |
| Thorasic Outlet Syndrome | ** |
| Tournament of Scoundrels | ** |
| Transportation Operations System | ** |
| Technical Operating Specifications | ** |
| TippingPoint Operating System | ** |
| Time of Sighting | ** |
| Told on One Side | ** |
| Trunk Out of Service | ** |
| Truites Ombres Saumons | ** |
| Three Operating Systems | ** |
| Type of Seizure | ** |
| Turbine Overhaul Services | ** |
| the original saga | ** |
| Tcl Object System | ** |
| Tenant Owners Societies | ** |
| Teletype Operating System | ** |
| The Oklahoma Society | ** |
| Transfer of Station | ** |
| Technical Operations Subcommittee | ** |
| Television Oita System | ** |
| THK Online Store | ** |
| Traffic Orientation Scheme | ** |
| Turkish Occupational Standard | ** |
| Tournament of Stars | ** |
| Trio of Sachets | ** |
| Taxonomic Object Service | ** |
| Tensile Optical Surface | ** |
| Tactical Operations Station | ** |
| Tactical Outer Shell | ** |
| Thoracic Outlet Study | ** |
| Toll Outgoing Switch | ** |
| Taiwan Orchid Society | ** |
| Terminal Operating Support | ** |
| The Optional String | ** |
| Tip Over Special | ** |
| Top Octave Synthesizer | ** |
| The Order of the Sleepless | ** |
| Time Over Station | ** |
| Time Over Steerpoint | ** |
| Traffic Operations Systems | ** |
| Turkish Orthodontic Society | ** |
| The Owner Store | * |
| Treatment Outcome System | * |
| Type of Subaddress | * |
| Tactical Operating System | * |
| Tales of Old Shanghai | * |
| Talons of Steel | * |
| Terminate on Sighthttp | * |
| Thermal Optical Switch | * |
| TIGA Observing Stations | * |
| Traditions of the Sun | * |
| Training Objective Statements | * |
| Tramp Oil Separators | * |
| Turbo Output Stage | * |
| Tera Operations per Second | * |
| Town Of Sycamore | * |
| Toyotas Only Service | * |
| Traffic Operation System | * |
| transportable optical system | * |
| Test Opcih Sposobnosti | * |
| Toote Ohutuse Seadus | * |
| TETRA Operation Server | * |
| Tourism Opportunity Strategy | * |
| The Online Shrine | * |
| third order simplified | * |
| Training Ojective Statement | * |
| The Owners Syndicate | * |
| The Oxygen Society | * |
| Technology Opportunity Showcase | * |
| Thickness Of Seam | * |
| Torque Overload Switch | * |
| Tactical Operating Systems | * |
| Teraflop Operating System | * |
| The Observers Stories | * |
| The Oil Squealer | * |
| The Okavango Song | * |
| The Osteopathic Source | * |
| The Ostgöta Server | * |
| Theatre On Square | * |
| Theatre Organization Society | * |
| Thickness of Original Soil | * |
| Thickness of the Original Soil | * |
| Toe Of Structure | * |
| Tools for Or Schematics | * |
| Tramiels Operating System | * |