| Similarity | Rank | |
|---|---|---|
| elongated | 0.828 | 28179 |
| U-shaped | 0.806 | 68734 |
| concave | 0.802 | 40411 |
| triangular | 0.790 | 22980 |
| trapezoidal | 0.784 | 95255 |
| semi-circular | 0.779 | 91410 |
| conical | 0.772 | 40587 |
| tapered | 0.762 | 26654 |
| curved | 0.760 | 11926 |
| angled | 0.757 | 24406 |
| protruding | 0.751 | 28593 |
| vertical | 0.750 | 5719 |
| teardrop | 0.745 | 62564 |
| cylindrical | 0.737 | 29566 |
| convex | 0.736 | 41901 |
| 45-degree | 0.735 | 91534 |
| inverted | 0.733 | 21228 |
| horizontal | 0.732 | 8229 |
| fluted | 0.731 | 67458 |
| asymmetrical | 0.729 | 35834 |
| ribbed | 0.728 | 48835 |
| curving | 0.727 | 36054 |
| protrudes | 0.722 | 73480 |
| protrusions | 0.720 | 79773 |
| sloping | 0.718 | 26759 |