How do you say hello in waale?

There is no language called "waale". It is possible you are misremembering or misspelling a language name. Could you please provide more context or try to remember the correct spelling?

For example:

* What country or region is this language from?

* What does the language sound like?

* Are there any other words you know from this language?

With more information, I can help you find the correct greeting.