This is the 4691st most frequent Spanish word.
colecciones
Collections.
The word 'colecciones' is used to refer to groups of accumulated items.
Mis colecciones de monedas antiguas son muy valiosas.
My collections of ancient coins are very valuable.
Here, 'colecciones' indicates several types of collections the subject has.
Ella colecciona sellos y sus colecciones son muy variadas.
She collects stamps and her collections are very diverse.
In this sentence, 'colecciones' describes organized groups of items displayed for an audience.