| arch back | 2.83 | The dog arched its back. | ||
| arch eyebrow | 2.11 | He arched an eyebrow. | ||
| arch brow | 0.33 | When he laughs, his eyes crinkle under arching brows. | ||
| arch body | 0.26 | His body was arched as though he had been forced to retreat. | ||
| arch rival | 0.26 | Three partners have defected to arch rivals in the past year. |