However, it's important to note that "rā" can have multiple meanings depending on the context. It can also mean "sun" or "day".
Here are some other words related to light in Maori:
* "Marama" - moonlight
* "Ao" - light (in the sense of brightness)
* "Hikorangi" - starlight
* "Aorangi" - dawn
* "Whānau atua" - constellation (literally "family of gods")
The best word to use will depend on the specific meaning you want to convey.