| Solution | Length | |
|---|---|---|
| 4 letters | ||
| rule | 4 | |
| open | 4 | |
| plum | 4 | |
| self | 4 | |
| 5 letters | ||
| axiom | 5 | |
| clear | 5 | |
| truth | 5 | |
| plain | 5 | |
| level | 5 | |
| stark | 5 | |
| essay | 5 | |
| 6 letters | ||
| truism | 6 | |
| secure | 6 | |
| patent | 6 | |
| visual | 6 | |
| 7 letters | ||
| theorem | 7 | |
| sinksin | 7 | |
| staring | 7 | |
| showing | 7 | |
| seeable | 7 | |
| seeming | 7 | |
| obvious | 7 | |
| visible | 7 | |
| 8 letters | ||
| material | 8 | |
| opulence | 8 | |
| UNIVOCAL | 8 | |
| revealed | 8 | |
| palpable | 8 | |
| probable | 8 | |
| apparent | 8 | |
| sensible | 8 | |
| unhidden | 8 | |
| tangible | 8 | |
| manifest | 8 | |
| 9 letters | ||
| UNCLOUDED | 9 | |
| prominent | 9 | |
| 10 letters | ||
| pronounced | 10 | |
| 11 letters | ||
| UNEQUIVOCAL | 11 | |
| UNDISGUISED | 11 | |
| conspicuous | 11 | |
| unconcealed | 11 | |
| UNAMBIGUOUS | 11 | |
| transparent | 11 | |
| PROPOSITION | 11 | |
| 12 letters | ||
| well-defined | 12 | |
| indisputable | 12 | |
| recognizable | 12 | |
| UNMISTAKABLE | 12 | |
| self-evident | 12 | |
| 15 letters | ||
| straightforward | 15 | |
| 16 letters | ||
| incontrovertible | 16 | |
| self explanatory | 16 | |