| Son | Academic & Science |
| Subject Test | Academic & Science |
| Student | Academic & Science |
| Step | Academic & Science |
| Submissive | Academic & Science |
| Sunshine | Academic & Science |
| Satisfactory | Academic & Science |
| Snow | Academic & Science |
| Scholarly | Academic & Science |
| Smooth | Academic & Science |
| Stieltjes | Academic & Science |
| Scattering | Academic & Science |
| Substrate | Academic & Science |
| Spectro | Academic & Science |
| Sherritt International Corporation | Business |
| Shift | Business |
| Sears, Roebuck, & Company former symbol; now SHLD on NASDAQ | Business |
| Simply | Business |
| Settled | Business |
| Simple | Business |
| Sprint Nextel Corporation | Business |
| Schwinn bicycle | Business |
| Security (Amenity) | Business |
| Sulfur (sulphur) | Chemical Formula |
| Sulphur | Chemistry |
| Sulfur | Chemistry |
| Saturating | Chemistry |
| Savior | Community |
| School | Community |
| Scene | Community |
| Soul | Community |
| Spirit | Community |
| Smart | Community |
| Sincerly | Community |
| Sanctified | Community |
| Sanctuary | Community |
| Santa | Community |
| Straus | Community |
| Superman | Community |
| Socrates | Community |
| Schottenheimer | Community |
| Stop | Computer Assembly Language |
| Seek | Computer Assembly Language |
| Shredder | Computing |
| These | Computing |
| Survival Mode | Computing |
| Salzburg | Country Specific |
| Subsaharan | Country Specific |
| Schema | Database Management |
| Siemans (inverse of Ohms - Unit of Admittance) | Electronics |
| Sound | Electronics |
| Source | Electronics |
| Modula-3 Foreign Assembly Source File | File Type |
| Seasonal | General |
| Sit | General |
| Sam | General |
| Sarah | General |
| Shutter | General |
| Shiamalendu | General |
| Silly | General |
| Schnellboot | General |
| Scott | General |
| Schon (German coin grade equivalent to Fine) | General |
| Super | General |
| Spensive | General |
| Sexy | General |
| Size | General |
| Spyro | General |
| Spectacular | General |
| Sincere | General |
| Sweet | General |
| Stale | General |
| Summer | General |
| Stockings | General |
| Sizzle | General |
| Steve | General |
| Susan | General |
| Safa | General |
| San Francisco, California (mint mark on United States coins) | General |
| Stalker | Governmental |
| Signed | Governmental |
| Sentence | Governmental |
| Stopped | Governmental |
| Seclusion | Governmental |
| Specific | Governmental |
| Supercharger | Governmental |
| Stiff | Governmental |
| Stab | Governmental |
| the Senates | Governmental |
| SHRIRANGAPATNA | Indian Railway Station |
| Sich | International |
| Sayi | International |
| Sayfa | International |
| Sirket | International |
| Sud | International |
| S?en | International |
| Süd | International |
| Süden | International |
| Seite | International |
| S*** | Internet |
| Sh*t | Internet |
| Samaritan | Jobs |
| Senorita | Jobs |
| Seadog | Jobs |
| Sweep | Jobs |
| Supercardiod | Maths |
| Sin | Maths |
| Sum | Maths |
| Shares | Measurement Unit |
| Sagans (billions and Billions) | Measurement Unit |
| Slice | Measurement Unit |
| sine - without (usually written with a bar on top of the "s") | Medical |
| Snail | Medical |
| Sedate | Medical |
| Squint | Medical |
| Stable | Medical |
| Sick | Medical |
| Sensory | Medical |
| Sleep | Medical |
| atto- | Medical |
| Specimen | Medical |
| Stumble | Medical |
| Sinister | Medical |
| Smiling | Messaging |
| Sissy | Messaging |
| Skip | Messaging |
| Small | Messaging |
| Spineless | Military and Defence |
| Secret | Military and Defence |
| Sir | Military and Defence |
| Shoot | Military and Defence |
| Scenario | Military and Defence |
| Submersible | Military and Defence |
| Support | Military and Defence |
| Server | Networking |
| Session | Networking |
| Sharing | Networking |
| Squarely | Physics Related |
| Short | Physics Related |
| South | Regional |
| Scotland | Regional |
| Second (astronomical Tables) | Space Science |
| Side | Space Science |
| Star | Space Science |
| Stere | Space Science |
| Slant | Sports |
| Spoiler | Sports |
| Strike | Sports |
| Substitution | Sports |
| Serve | Sports |
| Scrimmage | Sports |
| Saved | Sports |
| Sport | Sports |
| Safety | Sports |
| Serving | Sports |
| Sell | Stock Exchange |
| Shareholders | Stock Exchange |
| Subscriber | Telecommunication |
| Shrirangapattana | Transport & Travel |
