This is the 13891st most frequent Spanish word.
sobrenombre
Nickname.
Here, 'sobrenombre' is used to indicate a nickname given to a person that reflects a characteristic attributed to them.
Su sobrenombre es 'El Rápido' debido a su velocidad impresionante.
His nickname is 'The Fast' due to his impressive speed.
In this sentence, 'sobrenombres' refers to personalized and affectionate nicknames used casually among friends.
Ella siempre usa sobrenombres cariñosos para referirse a sus amigos.
She always uses affectionate nicknames to refer to her friends.
Here, 'sobrenombre' describes how a group devised a unique nickname to honor the teacher's qualities.