slopes

hill ramp shelf

abruptness bank bend bevel bias cant declination declivity deflection descent deviation diagonal downgrade gradient inclination incline lean leaning obliqueness obliquity pitch rise skew steepness swag sway tip

rising ground

upgrade

evenness level

angle ascend bank bevel cant descend dip drop fall heel incline lean list pitch rake recline rise shelve skew splay tip

drop away

decline do forget go up lower straighten

even level