Convicción vs. creencia

The Spanish words 'convicción' and 'creencia' both translate to 'belief' or 'conviction' in English. However, they carry distinct connotations and are used in different contexts.

Convicción

'Convicción' refers to a strong, firmly held belief or certainty, often implying a moral or ethical dimension.
Tiene la convicción de que la honestidad es lo más importante.
(He has the conviction that honesty is the most important thing.)
Actuó con convicción en defensa de sus principios.
(She acted with conviction in defense of her principles.)
La convicción del líder inspiró a todos sus seguidores.
(The leader's conviction inspired all his followers.)

Creencia

'Creencia' refers to an acceptance that something exists or is true, especially without proof. It can be cultural, religious, or personal.
Esa creencia es común en muchas culturas diferentes.
(That belief is common in many different cultures.)
Sus creencias religiosas le prohíben trabajar los domingos.
(His religious beliefs forbid him from working on Sundays.)
Tiene la creencia de que las supersticiones afectan su vida diaria.
(She has the belief that superstitions affect her daily life.)

Summary

'Convicción' implies a strong and deliberate belief often tied to moral or ethical dimensions, while 'creencia' is more about general beliefs and acceptances, particularly without concrete proof. Both words communicate forms of belief but differ significantly in strength and application.