| Answer | Crossword Clue |
|---|---|
| RIDGIER | Comparatively corrugated |
| CRINKLED | Corrugated |
| RIDGIER | More corrugated |
| MATZO | Corrugated cracker |
| RIPPLIEST | Most corrugated |
| CRIMP | Make corrugated |
| RIDGE | Corrugated paper feature |
| RUMBLESTRIP | Raised piece of corrugated pavement |
