Overspill vs Overdraft - What's the difference?

As nouns the difference between overspill and overdraft

is that overspill is that which spills over while overdraft is (uncountable) the act of overdrawing a bank account.

is to spill over, to overflow, to spill out of.

(-)

That which spills over.

New towns were to accommodate overspill from established cities.

To spill over, to overflow, to spill out of.

* 2002 , Urlan Wannop, Regional Imperative: Regional Planning and Governance in Britain , page 93:

Further, Coventry's prosperity and rapid growth was threatening that it as well as Birmingham would require to overspill its boundaries.

* 2004 , Delilah Devlin, Pirate's Desire , page 202:

Calandra added more, until the oil threatened to overspill her palm.

(uncountable) The act of overdrawing a bank account.

(countable) The amount overdrawn.

I have an overdraft of £1234.

(countable) The maximum amount that may be overdrawn.

The bank have given me an overdraft of $2000.