| side |
| sinkage(drop, decline, fall, plunge, slide) |
| sinking(drop, decline, fall, plunge, slide) |
| skew(noun, inclination, grade, sharpness, slant) |
| slide(noun, drop, fall, collapse, plunge) |
| slip(drop, fall, plunge, slide, dive) |
| slope angle(expression, idiom) |
| stack(noun, mount, peak, fell, mound) |
| steep slope |
| stiff climb |
| summit(noun, mount, peak, fell, mound) |
| swag(noun, inclination, grade, sharpness, slant) |
| sway(noun, inclination, grade, sharpness, slant) |
| swoop(drop, decline, fall, plunge, slide) |
| tailspin(drop, decline, fall, plunge, slide) |
| topple(drop, decline, fall, plunge, slide) |
| tor(noun, mount, peak, fell, mound) |
| tumble(drop, decline, fall, plunge, slide) |
| uphill |
| upland(noun, mount, peak, fell, mound) |