This is the 7229th most frequent Portuguese word.
louis
In Portuguese, "Louis" is not a native word but rather a proper noun used as a name, typically referring to the French/English name "Louis."
In this sentence, 'Louis' is used as a proper noun, serving as the name of an individual being referred to.
Louis é um amigo muito generoso.
Louis is a very generous friend.
In this sentence, 'Luís' (Portuguese form of 'Louis') refers to the name of a historical figure, contextualized within a historical reference.
O rei Luís XIV da França foi conhecido como o Rei Sol.
King Louis XIV of France was known as the Sun King.
Here, 'Louis Vuitton' is used as a brand name, representing the proper noun for an established company.