General terms:
* Shout: This is the most common and general term.
* Yell: Similar to shout, but often implies a stronger sense of urgency or anger.
* Cry out: Implies a strong emotional reaction, like fear or pain.
* Call: This is more neutral and can be used for calling someone's attention or simply making a sound.
* Roar: This is a more intense and powerful call, often used for animals or someone who is angry.
Specific terms:
* Holler: A loud, informal call, often used in rural areas.
* Bellow: A deep, loud roar, usually associated with anger or pain.
* Scream: A high-pitched, piercing cry, usually associated with fear or excitement.
* Announce: A formal or public declaration, often made from a stage or podium.
* Proclaim: A public declaration of something important or significant.
The best word to use will depend on the specific situation and the tone you want to convey.