How to Say "sway" in Spanish
The most common Spanish word for “sway” is “influencia” — use 'influencia' when referring to the power or control someone has over another person's opinions, actions, or decisions, often in a personal or social context..
influencia
een-floo-EN-see-ah/in.fluˈen.sja/

Examples
Mi hermano mayor tiene mucha influencia en mis decisiones.
My older brother has a lot of influence on my decisions.
Mi hermana tiene mucha influencia en mis gustos musicales.
My sister has a lot of influence on my musical tastes.
La influencia de las redes sociales es innegable hoy en día.
The influence of social media is undeniable nowadays.
El director ejerció su influencia para cambiar la fecha de la reunión.
The director exerted his influence to change the meeting date.
Always Feminine
Since 'influencia' ends in -a, it is a feminine noun. You must always use 'la' or 'una' before it (e.g., la influencia, mucha influencia).
Prepositions with Influence
Mistake: “La influencia *en* mis amigos (using 'en' when talking about the effect on people)”
Correction: La influencia *sobre* mis amigos (or *en* works, but *sobre* is often preferred when describing influence directed at something/someone).
imperio
/imˈpeh-ree-oh//imˈpe.ɾjo/

Examples
El magnate construyó un imperio financiero en pocos años.
The magnate built a financial empire in a few years.
El dictador ejerció su imperio con mano de hierro.
The dictator exercised his dominion with an iron fist.
La ley debe tener imperio sobre todos los ciudadanos.
The law must have authority over all citizens.
Formal Usage
In this context, 'imperio' is often reserved for formal or written Spanish, referring to the abstract concept of powerful control, usually in legal or political discussions.
Choosing between 'influencia' and 'imperio'
Related Translations
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