Word Unit: didact- (Greek: didaktikos, skilled at teaching, teach; teacher)
Word Unit: didym- (Greek: twin; testicle)
Word Unit: dies, di-, die-, -diem, diurn- (Latin: day)

Another related "day" unit is located at hemer-.

Word Unit: digit-, digiti- (Latin: finger, toe; from Greek daktylos)

Cross references directly, or indirectly, involving the "toes" and "fingers": dactylo-; hallu-; phalang-.

Word Unit: dign-, dain- (Latin: worthy of respect and esteem; a positive regard and honor for)
Word Unit: diko-, dik-, dico-, dic- + (Greek: a judge; right, order, law, manner; justice)
Word Unit: dino-, din- (Greek: fearful, frightful; terrible, powerful)
Word Unit: diphther- (Greek > Latin > French: leather, prepared hide, membrane)
Word Unit: diplo-, dipl- (Greek: double; two-fold)
Word Unit: dipso-, -dipsia, -dipsy, -dipsias + (Greek: thirst, thirsty [toward "drink"])

Related "drink" units: bib-; haust-; nectar-; poto-.

Word Unit: dire- (Latin: fearful, awful, boding ill, ill-omened, horrible, terrible)
Word Unit: dis-, di-, dif- (Latin: separation, apart, asunder; removal, away, from; negation, deprivation, undoing, reversal, utterly, completely; in different directions)
Word Unit: discip- + (Latin: discipulus, pupil, apprentice; instruction, teaching, learning (to learn), knowledge)

Inter-related cross references, directly or indirectly, involving word units meaning "know, knowledge; learn, learning": cogni-; gno-; histor-; intellect-; learn, know; math-; sap-; sci-; sopho-.

Word Unit: disco-, disc-, disko-, disk- + (Greek > Latin: disk; round plate thrown in athletic competitions; used primarily in the extended sense of "something shaped like a round plate")
Word Unit: Dismal (bad days)
Word Unit: distric- (Latin: political or geographical division)
Word Unit: Diurnal and Nocturnal; Log-Blog #01; Monday, September 10, 2007 (blogs, or logs, of Word-Info site activities, daily and nightly)
Word Unit: Diurnal and Nocturnal; Log-Blog #02: Tuesday, September 11, 2007 (blogs, or logs, of Word-Info site activities, daily and nightly)
Word Unit: Diurnal and Nocturnal; Log-Blog #03; Wednesday, September 12, 2007 (blogs, or logs, of Word-Info site activities, daily and nightly)
Word Unit: Diurnal and Nocturnal; Log-Blog #04; Thursday, September 13, 2007 (another journal, log, or blog about Word-Info site activities, daily and nightly)