decrecer - to decrease

degenerar - to degenerate

degollar - to cut the throat

deletrear - to spell

demandar - to demand, to sue

demoler - to demolish

deponer - to depose, to lay down, to overthrow

derrochar - to squander, to waste

desaprobar - to disapprove

desarmar - to dismantle, to dismantle

desatar - to untie