How to Say "prevails" in Spanish
The Spanish word for “prevails” is “reina” — B1 level.
English → SpanishB1
VerbB1formal
When a certain feeling or state is the most noticeable

Examples
En su ausencia, el caos reina en la oficina.
In his absence, chaos reigns in the office.
El silencio reina en el antiguo castillo.
Silence reigns in the old castle.
Actualmente, reina una nueva dinastía en ese país.
Currently, a new dynasty reigns in that country.
Is it a Person or an Action?
The word 'reina' can be the noun ('queen') or the verb ('he/she reigns'). The secret is the context. If it's about a person ('La reina...'), it's the noun. If it's about a situation ('El silencio reina...'), it's the verb.
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