Light – la luz
(Pronounced loos)
To remember that light is pronounced loos (luz) in Latin American Spanish, use the following mnemonic:
We need more light to get that loose (luz) tooth out.

Luz is feminine, so it’s la luz. Imagine a lady who lights up:

Examples of gobierno (government) in a sentence
La luz del sol entra por la ventana cada mañana.
(The sun's light enters through the window every morning.)
Apaga la luz antes de salir de la habitación.
(Turn off the light before leaving the room.)
La luz de las estrellas es muy bonita esta noche.
(The light of the stars is very beautiful tonight.)