おやつ
The most commonly used "snacks" can refer to snacks for children or other recreational snacks.
ぉぉ Zi
More commonly used, meaning more, you can refer to children's snacks/high and low-grade cakes and so on.
おつまみ
Although it means "snacks", I prefer "snacks"
デザート
This feeling is a bit off topic, but let's list it.
It refers to dessert.