Shortgevity

I did not discuss the prognosis with Dr. Glass, nor did I ask him any questions about my probable longevity — or shortgevity.

Not all nations are in a position to benefit from longevity, and in fact, a significant number suffer from its opposite—shortgevity.

They'd have had him if he changed his ways, but Foster's conversions were famous for their short-gevity. Keith was proud of that word. He had made it up himself. Short-gevity was his opposite for longevity. It was an original Sylvester antonym.