choix entre deux propositions contraires (fr)[Caract.]

anneau double entravant un prisonnier (fr)[Caract.]

tandem (généricité) (fr)[Caract.]

Alterego, Alter ego, Alter-ego, outro eu — alter ego - diedro — dihedral - didelphe (fr) - diptyque (fr) - pied fourchu (fr) - cabeça levantada — cocked hat - counterpart - dualidade — duality, dyad, twofoldness, wave-particle duality - dualismo — dualism - imagem, retrato, sósia — carbon copy, clone, dead ringer, double, image, look-alike, ringer, spit, spitting image - dissílabo — dissyllable, disyllable - dístico, Dístico elegíaco — couplet, distich - Diplopia — diplopia, double vision - dioïque (fr) - bident (fr) - doublet (fr) - dipteran, dipteron, dipterous insect, fly, two-winged insects - diaule (fr) - jumeau (fr) - diplocoque (fr) - double (fr) - Diphylla ecaudata, hairy-legged vampire bat - couple (fr) - objectif double (fr) - chapeau de gendarme (fr) - garrafa de meio galão — magnum - battellement (fr) - diacide (fr) - diatrypacée (fr) - diaportale (fr) - dialypétale (fr) - dialycarpique (fr) - diplotaxe (fr) - boudeuse (fr) - jumelle (fr) - anaglyph - diaclase (fr) - diacid - bipied (fr) - free-martin (fr) - ditongo — diphthong - diazoïque (fr) - diapasão — tuning fork - doublet (fr) - comptabilité en partie double (fr) - digraphie (fr) - dizygote (fr) - fla (fr) - écaille (fr) - fusil double (fr) - bicéphale (fr) - diacid - diazoïque (fr) - duplication - part ... part, partly ... partly[Caract.]