This is the 4002nd most frequent Portuguese word.
lukaku
"Lukaku" is not a Portuguese word; it is a proper noun referring to Romelu Lukaku, a Belgian professional footballer.
The word 'Lukaku' is used here as a proper noun referring to a specific individual.
Lukaku é um jogador de futebol muito talentoso.
Lukaku is a very talented football player.
The word 'Lukaku' is used here again as a proper noun referring to the individual used as reference in comparison.
Ele foi comparado a Lukaku devido ao seu estilo de jogo.
He was compared to Lukaku due to his playing style.
Here, 'Lukaku' is used as a proper noun illustrating the emotional response tied to the name.