| Solution | Length | |
|---|---|---|
| 4 letters | ||
| UPON | 4 | |
| inon | 4 | |
| wise | 4 | |
| onto | 4 | |
| into | 4 | |
| sage | 4 | |
| 5 letters | ||
| smart | 5 | |
| naive | 5 | |
| aware | 5 | |
| wonky | 5 | |
| 6 letters | ||
| strong | 6 | |
| expert | 6 | |
| shrewd | 6 | |
| versed | 6 | |
| 7 letters | ||
| ontopof | 7 | |
| refined | 7 | |
| erudite | 7 | |
| learned | 7 | |
| 8 letters | ||
| sensible | 8 | |
| educated | 8 | |
| INFORMED | 8 | |
| literate | 8 | |
| rational | 8 | |
| profound | 8 | |
| 9 letters | ||
| sagacious | 9 | |
| technical | 9 | |
| qualified | 9 | |
| 10 letters | ||
| PROFICIENT | 10 | |
| prehensile | 10 | |
| specialist | 10 | |
| restricted | 10 | |
| 11 letters | ||
| EXPERIENCED | 11 | |
| 12 letters | ||
| professional | 12 | |
| WELLINFORMED | 12 | |
| 13 letters | ||
| understanding | 13 | |
| sophisticated | 13 | |