DE-, = down, from.
(i) = down, down off, down to.
decĭdere = fall down, or off.
devĕnire = come to.
(ii) = off, away, aside.
dēcēdere = depart.
deflectere = turn aside.
deterrēre = frighten.
(iii) = completely.
depŏpŭlari = lay waste.
debellare = bring a war to an end.
(iv) = un- (negative).
despērare = despair.
deesse = be wanting.
E-, EX-, EC-, EF-, = out of.