Synonyms for Divestiture:

n.

give, deprival, rich. deprivation (noun)
privation, dispossession.
loss (noun)
decrease, debit, decrement, attrition, depletion, dissolution, dispossession, setback, expropriation, loss, privation, dissipation, penalty, ruin, exhaustion, forfeiture, deprivation, erosion, shrinkage.

Other synonyms:

deprival. Other relevant words:
deprival.