| Share | Phrase |
|---|
| 19.16% | bell-shaped [shape] port |
| 14.07% | bell-shaped [shape] housing |
| 13.03% | bell-shaped [shape] pulse |
| 9.01% | bell-shaped [shape] seat |
| 8.78% | bell-shaped [shape] chamber |
| 8.32% | bell-shaped [shape] sleeve |
| 7.81% | bell-shaped [shape] portion |
| 6.89% | bell-shaped [shape] edge |
| 6.63% | bell-shaped [shape] element |
| 6.25% | bell-shaped [shape] member |