This is the 5288th most frequent Arabic word.
تسود
"تسود" means "to prevail" or "to dominate."
Here, 'تسود' is used metaphorically to indicate the prevalence or dominance of justice in society.
تسود العدالة في المجتمع المثالي.
Justice prevails in the ideal society.
In this sentence, 'تسود' describes the black image taking visual dominance over the screen.
تسود صورة سوداء على الشاشة بعد انقطاع التيار الكهربائي.
A black image dominates the screen after a power outage.
Here, 'تسود' is used to express the prevalence or dominance of chaos within the room.