Reallocate vs Reappropriate - What's the difference?

As verbs the difference between reallocate and reappropriate

is that reallocate is to change the user or purpose for which a resource is allocated while reappropriate is to seize and reassign.

To change the user or purpose for which a resource is allocated.

:I want to reallocate some of my money from stocks to bonds. (I want to sell some of my stocks and use the proceeds to buy bonds to replace them.)

To allocate again.

:[Appending items one at a time is] still a better deal than concatenation, which reallocates every time.