hamartia

As a proper noun sophrosyne

is (astronomy) short for , a main belt asteroid.

As a noun hamartia is

the tragic flaw of the protagonist in a literary tragedy.

As nouns the difference between hamartia and ate

is that hamartia is the tragic flaw of the protagonist in a literary tragedy while ate is grandfather.

As nouns the difference between peripeteia and hamartia

is that peripeteia is a sudden reversal of fortune as a plot point in Classical tragedy; hence, any sudden change in circumstances; a crisis while hamartia is the tragic flaw of the protagonist in a literary tragedy.

As nouns the difference between hamartia and hubris

is that hamartia is the tragic flaw of the protagonist in a literary tragedy while hubris is excessive pride, presumption or arrogance (originally toward the gods).