This is the 6904th most frequent Spanish word.
dezien
"Dezien" is not a correct Spanish word. It may be a misspelling.
Here, 'dicen' shows the third person plural present form of the verb 'decir', used to indicate they report liking learning.
Los estudiantes de la clase siempre dicen que les gusta aprender español.
The students in the class always say that they like learning Spanish.
In this sentence, 'dicen' again reflects the usage of 'decir' to indicate a common sentiment among the group.
Muchos viajeros dicen que prefieren lugares tranquilos para descansar.
Many travelers say that they prefer quiet places to rest.
This sentence uses 'dicen' impersonally to express a general opinion or shared belief.