Difference between Atrocity and Inhumanity

ATROCITY vs INHUMANITY: NOUN

The quality of being shockingly cruel and inhumane
Appalling or atrocious condition, quality, or behavior; monstrousness.
An appalling or atrocious act, situation, or object, especially an act of unusual or illegal cruelty inflicted by an armed force on civilians or prisoners.
The state or quality of being atrocious; enormous wickedness; extreme criminality or cruelty.
A specific act of extreme heinousness or cruelty; an atrocious deed.
Enormous wickedness; extreme heinousness or cruelty.
An atrocious or extremely cruel deed.
An act of atrocious cruelty
An extremely cruel act; a horrid act of injustice.

Ugliness, Violence, Horror, Abomination, Attack, Cruelty, Brutality, Savagery, Bombing, Massacre, Barbarousness, Heinousness, Atrociousness, Inhumanity, Barbarity

Injustice, Ruthlessness, Barbarous, Meanness, Inhuman, Barbaric, Humanity, Savagery, Cruelty, Brutality, Wickedness, Barbarism, Barbarity, Inhumaneness, Atrocity

Genocide, Egregious, Savage, Monstrosity, Outrage, Ugliness, Violence, Horror, Abomination, Attack, Brutality, Savagery, Massacre, Barbarousness, Barbarity

Dehumanisation, Oppression, Depravity, Injustice, Barbarous, Inhuman, Barbaric, Humanity, Savagery, Brutality, Wickedness, Barbarism, Barbarity, Inhumaneness, Atrocity

The atrocity in New York was predictable and inevitable.
Future history will call it a great human atrocity.
Each new atrocity only makes them hungrier for more.
The attack was carried out like an atrocity.
The latest atrocity committed by interstellar tyrant Thanos?
"Thinking of everyone caught up in this atrocity.".
Present day america comes out of this atrocity.
The Commentary On This Atrocity Is Pure Gold!
The extermination stories originated as wartime atrocity propaganda.
But there is something underneath these events and players that fuels atrocity after atrocity in the Middle East.

Mans inhumanity to man makes me not believe in gods.
Such delays add immeasurably to the inhumanity of capital punishment.
The Nobel Laureate, Elie Wiesel attributes this inhumanity to "indifference".
There was no intentional inhumanity in the treatment of him.
Treatment was generally characterized by brutality, degradation, and inhumanity.
Nazi crimes are compared to other acts of inhumanity.
Trump is only exercising his cruel and usual inhumanity.
Human inhumanity to other humans is our plague.
Or worse, it becomes the instrument for inhumanity.
Black person experience these moments of gross inhumanity?