This is the 7528th most frequent Portuguese word.
noah
"Noah" is not a native Portuguese word; it is a proper name typically referring to the biblical figure.
In this context, the word 'Noah' is used in a possessive construction to indicate ownership of the notebook.
O caderno de Noah está na mesa.
Noah's notebook is on the table.
In this sentence, 'Noah' functions as the subject and is a proper noun, a name of a person.
Noah é um estudante dedicado.
Noah is a dedicated student.
Here, 'Noah' acts as the object of the verb 'convidar', indicating the person receiving the action.