downward

As adjectives the difference between downward and decurved

is that downward is moving or sloping down while decurved is curved downward.

As an adverb downward

is toward a lower level, whether in physical space, in a hierarchy, or in amount or value.

As adverbs the difference between downward and downdip

is that downward is toward a lower level, whether in physical space, in a hierarchy, or in amount or value while downdip is (geology) downwards along a dip.

As adjectives the difference between downward and downdip

is that downward is moving or sloping down while downdip is (geology) downward along a dip.

As adjectives the difference between downward and downgoing

is that downward is moving or sloping down while downgoing is (sciences|especially of a wave) tending downward.

As an adverb downward

is toward a lower level, whether in physical space, in a hierarchy, or in amount or value.

As a noun downgoing is

(rare|poetic) a descent.