* Hello: This is the most common and literal translation.
* Hi: More casual and informal, similar to "hola" in a friendly setting.
* Hey: Even more informal than "hi" and often used with friends.
* Greetings: A more formal way to say hello, often used in written communication.
* Good morning/afternoon/evening: These greetings are more specific to the time of day, similar to the Spanish "buenos días/tardes/noches."
The best choice depends on the situation and your relationship with the person you're greeting.