| A | B |
| dysentery | inflammation of the large intestine |
| dysfunction | abnormal functioning |
| dyslexia | impairment of the ability to read |
| dyslogistic | expressing disapproval or censure |
| dyspepsia | indigestion or ill humor/disgruntlement |
| dysphagia | difficulty in swallowing |
| dysphasia | speech difficulty from brain injury |
| dysphoria | sense of great unhappiness |
| dystopia | imaginary place with terrible living conditions |
| dystrophy | faulty nutrition or muscle disorder |