Has a FIBA World Cup game ever ended 88-47?
Exactly once. On February 26, 2023, Guinea beat Uganda 88-47, and no FIBA World Cup game before or since has ended that way. When it happened it was a scorigami, the first 88-47 in league history.
That makes 88-47 the 475th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 89-47 has happened never and 88-48 has happened never.