Here are some other ways you can say it depending on the context:
* Prata: This is a more informal way to say "speak".
* Säger: This means "say" but can be used in the context of "speak". For example, "Vad säger du?" means "What are you saying?"
* Uttrycka: This means "express" and can be used when you want to emphasize the act of communicating.
The best way to choose the right word will depend on the specific context of your sentence.