1. (11) Di- means two Dichotomy = split into two parts
Examples
Dichotomy = split into two parts
Dilemma = choice between two bad alternatives

2. (12) Dia- means across
Examples
Diameter = distance across the center of a circle
Diagonal = distance across a figure
Diagram = a drawn model

3. (13) Dis-/dif- means not; apart
Examples
Discord = not in harmony
Differ = to disagree
Disparity = not being equal; having a difference

4. (14) Dys- means faulty; bad
Examples
Dysfunctional = operate incorrectly
Dyslexia = faulty ability to read
Dyspepsia = indigestion

5. (15) Ex-/e- means out Exit = to leave Expel = to drive out
Examples
Exit = to leave
Expel = to drive out
Extirpate = to root out
Eject = to throw out

6. (16) Extra-/extro- means beyond;outside
Examples
Extracurricular = beyond the curriculum
Extraterritorial = beyond a nation’s boundaries
Extrovert = a person mostly interested in other people and things

7. (17) Hyper- means above; excessively
Examples
Hyperbole = exaggeration
Hyperventilate = breathe very quickly

8. (18) Hypo- means beneath; lower
Examples
Hypoglycemia = low blood sugar
Hypothyroid = low-functioning
Hypodermic = beneath your skin

9. (19) in-/im- means not Inefficient = not efficient or productive
Examples
Inefficient = not efficient or productive
Inarticulate = can’t speak understandably
Impeccable = not wrecked up; perfect

10. (20) il-/ir- means not Illegible = not readable
Examples
Illegible = not readable
Irrelevant = doesn’t matter
Irrevocable = can’t change it or “call it back”