surplus
SUR-plusnounMeaning an amount left over beyond what is needed
Memory hook SUR-PLUS: over and PLUS more. Nell’s garden grows so many watermelons that she sets the extras by the road with a FREE sign: they are her surplus.
The bakery gave its surplus bread to the shelter each evening.
In context Because the farm grew far more corn than it could sell, it sent the surplus to a neighboring town that had suffered a poor harvest.
Similar excess, extra, leftover, surfeit
Opposite shortage, deficit, lack
From Old French surplus: sur (over) + plus (more).