As nouns the difference between discontent and discontentedness
is that discontent
is dissatisfaction while discontentedness
is the state or quality of being discontented.
As a verb discontent
is to deprive of contentment; to make uneasy; to dissatisfy.
As an adjective discontent
is not content; discontented; dissatisfied.
As an adjective discontented
is experiencing discontent, dissatisfaction.
As a noun discontentedness is
the state or quality of being discontented.