| 100% | SYS | 3 | The "S" of OS, for short |
| 83% | SYS | 3 | "S" of OS, for short |
| 76% | SYS | 3 | The "S" in OS, for short |
| 76% | SCI | 3 | The "S" of STEM, for short |
| 76% | SYS | 3 | The "S" of iPadOS, for short |
| 76% | SYS | 3 | The "S" of GPS, for short |
| 75% | SYS | 3 | The "S" of "GPS," for short |
| 72% | SYS | 3 | What the "S" of "Mac OS" stands for: Abbr. |
| 72% | SYS | 3 | The S in GPS, for short |
| 70% | SINE | 4 | What the S of "sohcahtoa" stands for |
| 70% | ACE | 3 | The A of LGBTQIA, for short |
| 70% | TRANS | 5 | The T of LGBTQ , for short |
| 70% | ENG | 3 | The E of STEM, for short |
| 70% | MIN | 3 | The opposite of max, for short |
| 70% | BFFS | 4 | The closest of pals, for short |
| 70% | STPAT | 5 | The Apostle of Ireland, for short |
| 68% | SYS | 3 | The "S" of MS-DOS, for short |
| 66% | IDS | 3 | Checks the credentials of, for short |
| 66% | IDED | 4 | Discovered the name of, for short |
| 65% | TMS | 3 | The shape of Pizza Hut's roof, etc., for short |
| 65% | TECH | 4 | The "T" of STEM, for short |
| 65% | HIDEF | 5 | The "HD" of HDTV, for short |
| 65% | INFO | 4 | The "I" of TMI, for short |
| 65% | AVG | 3 | The "A" of GPA, for short |
| 65% | MATH | 4 | The "M" of STEM, for short |
| 65% | ARR | 3 | The "A" of ETA, for short |
| 65% | INFO | 4 | The "I" of FYI, for short |
| 65% | COMP | 4 | The "C" of PC, for short |
| 65% | INST | 4 | The "I" of MIT, for short |
| 65% | EXEC | 4 | The "E" of CEO, for short |