This is the 5050th most frequent Catalan word.
alejandro
"alejandro" is not a Catalan word; it is a proper noun, typically a given name equivalent to "Alexander" in English.
First name of a person used as the subject of the sentence.
Alejandro va venir a casa ahir.
Alejandro came home yesterday.
Name used in a possessive structure to indicate ownership.
Aquest llibre és d'Alejandro.
This book belongs to Alejandro.
Name used in a context indicating personal preference through possession.