The phrase "go again" can be replaced with several synonyms to add variety and depth to your writing. "Replay" can mean to repeat an action or event, which is useful when referring to games and sports. "Rerun" can be used with television shows or films that are being shown again. "Recurrence" can be a good synonym when referring to patterns or things happening again and again. "Reiteration" can mean repeating something that has already been said. "Retake" is a synonym that is commonly used in filming and photography, referring to taking another shot of a scene. Using these synonyms instead of "go again" will help you convey your message with more precision and interest.