ଅର୍ଥ : The process of declining from a higher to a lower level of effective power or vitality or essential quality.
ସମକକ୍ଷ : devolution
A process in which something passes by degrees to a different stage (especially a more advanced or mature stage).
The development of his ideas took many years.ଅର୍ଥ : The state of being degenerate in mental or moral qualities.
ସମକକ୍ଷ : decadence, decadency, degeneracy
ଅର୍ଥ : Passing from a more complex to a simpler biological form.
ସମକକ୍ଷ : retrogression