How to Say "trustworthiness" in Spanish
The Spanish word for “trustworthiness” is “credibilidad” — B1 level. This is a very common word in everyday Spanish.

Examples
Tu historia no tiene mucha credibilidad.
Your story doesn't have much credibility.
El periodista perdió su credibilidad después de publicar noticias falsas.
The journalist lost his credibility after publishing false news.
Es imperativo restaurar la credibilidad institucional para asegurar la estabilidad del país.
It is imperative to restore institutional credibility to ensure the country's stability.
The '-dad' Rule
In Spanish, words that end in '-dad' are almost always feminine. This means you should always use 'la' or 'una' with 'credibilidad'.
Abstract Concept Usage
Just like in English, this word describes an abstract quality, so it is rarely used in the plural form (credibilidades).
Gender Mismatch
Mistake: “El credibilidad es importante.”
Correction: La credibilidad es importante. Because it ends in -dad, it is feminine.
Confusing with 'Credencial'
Mistake: “Él tiene buenas credibilidades para el trabajo.”
Correction: Él tiene buenas credenciales para el trabajo. 'Credibilidad' is about being believable, 'credenciales' are your qualifications.
Related Translations
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