dog'ma, an opinion—dogma, dogmatic, dogmatize, dogmatism.

dox'a, an opinion, glory—doxology, heterodox, orthodox, paradox.

dram'a, a stage-play—drama, dramatic, dramatist.

drom'os, a course—dromedary, hippodrome.

drus, an oak—dryad.

duna'thai, to be able—dynamics, dynamical, dynasty.

dus, ill, wrong—dysentery (entera, the bowels), dyspepsia (peptein, to digest).

ekkle'sia, the church—ecclesiastes, ecclesiastic, ecclesiastical.

e'chein, to sound—echo, catechise, catechism, catechumen.

eklei'pein, to fail—eclipse, ecliptic.