How to Say "they believe" in Spanish
The Spanish word for “they believe” is “creen” — A1 level. This is a very common word in everyday Spanish.

Examples
Ellos creen en la justicia.
They believe in justice.
¿Ustedes creen en el destino?
Do you (all) believe in destiny?
Muchas culturas antiguas creen en múltiples dioses.
Many ancient cultures believe in multiple gods.
Who are 'they'?
'Creen' is the form for 'ellos' (a group of men, or mixed), 'ellas' (a group of women), and 'ustedes' (you all, formal or informal depending on the region).
Believing 'in' something
To say you believe in a person, idea, or concept, always use the little word 'en' after the verb. For example, 'Ellos creen en ti' (They believe in you).
Forgetting 'en'
Mistake: “Mis amigos creen la magia.”
Correction: Mis amigos creen en la magia. (My friends believe in magic.) When talking about faith or belief in a concept, you need to add 'en'.
Related Translations
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