| Clue | Length | Answer |
|---|---|---|
| surefire | 4 letters | sure |
| surefire | 5 letters | solid |
| surefire | 5 letters | sound |
| surefire | 6 letters | steady |
| surefire | 6 letters | stable |
| surefire | 6 letters | norisk |
| surefire | 6 letters | secure |
| surefire | 6 letters | trusty |
| surefire | 7 letters | staunch |
| surefire | 8 letters | cantlose |
| surefire | 8 letters | cantmiss |
| surefire | 8 letters | reliable |
| surefire | 9 letters | steadfast |
| surefire | 9 letters | unfailing |
| surefire | 10 letters | prosperous |
| surefire | 10 letters | succeeding |
| surefire | 10 letters | successful |
| surefire | 10 letters | triumphant |
| surefire | 11 letters | predictable |
| surefire | 11 letters | trustworthy |
| surefire | 11 letters | substantial |
| surefire | 13 letters | well-grounded |
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