| Share | Phrase |
|---|
| 32.14% | serpentine [physical/chemical] path |
| 28.59% | serpentine [physical/chemical] channel |
| 14.39% | serpentine [physical/chemical] pattern |
| 7.97% | serpentine [physical/chemical] shape |
| 6.13% | serpentine [physical/chemical] passageway |
| 4.29% | serpentine [physical/chemical] configuration |
| 3.93% | serpentine [physical/chemical] pipe |
| 2.52% | serpentine [physical/chemical] type |