| Synonyms | Length | Vowels | Syllables | |
|---|---|---|---|---|
| Shrewd | 6 | 5 | 1 | 1 |
| Significant | 11 | 7 | 4 | 4 |
| Silver | 6 | 4 | 2 | 2 |
| Silver Tongued | 14 | 9 | 5 | 4 |
| Skulking | 8 | 6 | 2 | 2 |
| Slick | 5 | 4 | 1 | 1 |
| Slippery | 8 | 6 | 2 | 3 |
| Slippy | 6 | 5 | 1 | 2 |
| Sly | 3 | 3 | 0 | 1 |
| Smart | 5 | 4 | 1 | 1 |
| Smarting | 8 | 6 | 2 | 2 |
| Smart As A Whip | 15 | 11 | 4 | 4 |
| Smooth | 6 | 4 | 2 | 1 |
| Smooth Spoken | 13 | 9 | 4 | 3 |
| Snakelike | 9 | 5 | 4 | 3 |
| Snaky | 5 | 4 | 1 | 2 |
| Sneaka | 6 | 3 | 3 | 2 |
| Sneaky | 6 | 4 | 2 | 2 |
| Sophic | 6 | 4 | 2 | 2 |
| Sophistic | 9 | 6 | 3 | 3 |
| Sophistical | 11 | 7 | 4 | 4 |
| Sophisticate | 12 | 7 | 5 | 4 |
| Sophisticated | 13 | 8 | 5 | 5 |
| Stager | 6 | 4 | 2 | 2 |
| Stealthy | 8 | 6 | 2 | 2 |
| Stickingp | 9 | 7 | 2 | 2 |
| Sticking Outp | 13 | 9 | 4 | 3 |
| Strategic | 9 | 6 | 3 | 3 |
| Strong Minded | 13 | 10 | 3 | 3 |
| Studied | 7 | 4 | 3 | 2 |
| Suave | 5 | 2 | 3 | 2 |
| Substantial | 11 | 7 | 4 | 3 |
| Subtile | 7 | 4 | 3 | 2 |
| Subtle | 6 | 4 | 2 | 2 |
| Supple | 6 | 4 | 2 | 2 |

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