How do you spell bye in portuguese?

There are two main ways to say "bye" in Portuguese, depending on the context and level of formality:

Formal:

* Adeus: This is the most formal way to say goodbye.

Informal:

* Tchau: This is the most common and informal way to say goodbye, similar to "bye" in English.

There are also other options depending on the situation, such as:

* Até mais: This literally means "until more" and is used to indicate you'll see the person again soon.

* Até logo: This means "until soon" and is similar to "see you later".

* Até amanhã: This means "until tomorrow".

The best option to use will depend on the specific situation and your relationship with the person you are speaking to.