| Clue | Length | Answer |
|---|---|---|
| More robust | 4 letters | hier |
| More robust | 5 letters | haler |
| More robust | 7 letters | stouter |
| More robust | 7 letters | hardier |
| More robust | 7 letters | huskier |
| More robust | 8 letters | sturdier |
| More robust | 8 letters | earthier |
| More robust | 8 letters | heartier |
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