| Share | Phrase |
|---|
| 22.27% | concave [shape] surface |
| 14.69% | concave [shape] portion |
| 4.88% | concave [shape] side |
| 4.55% | concave [shape] recess |
| 3.87% | concave [shape] groove |
| 3.72% | concave [shape] shape |
| 3.41% | concave [shape] part |
| 3.25% | concave [shape] face |
| 2.72% | concave [shape] section |
| 2.20% | concave [shape] curvature |
| 2.14% | hemispherically concave |
| 1.93% | concave [shape] depression |
| 1.83% | concave [shape] space |
| 1.79% | concave [shape] formation |
| 1.69% | concave [shape] configuration |
| 1.64% | concave [shape] receptor |
| 1.45% | concave [shape] edge |
| 1.45% | concave [shape] cavity |
| 1.39% | concave [shape] seat |
| 1.39% | concave [shape] force |
| 1.22% | concave [shape] wall |
| 1.19% | concave [shape] arc |
| 1.13% | hemispherically [manner] concave |
| 1.13% | concave [shape] member |
| 1.10% | concave [shape] cam |
| 1.08% | concave [shape] washer |
| 0.96% | concave [shape] hole |
| 0.87% | concave [shape] area |
| 0.81% | concave [shape] base |
| 0.80% | arc [attribute] concave |
| 0.75% | concave [shape] shape |
| 0.63% | concave [shape] contour |
| 0.60% | concave [shape] cup |
| 0.54% | concave [shape] bearing |
| 0.47% | concave [shape] end |
| 0.45% | concave [shape] bushing |
| 0.44% | concave with respect |
| 0.41% | concave [shape] opening |
| 0.40% | concave [shape] profile |
| 0.40% | generally concave |
| 0.36% | concave [shape] channel |
| 0.34% | concave [shape] chamber |
| 0.34% | concave [shape] head |
| 0.31% | concave [shape] means |
| 0.30% | concave with surface |
| 0.27% | slightly concave |
| 0.23% | generally [resume] concave |