| A | B |
| -lytic | destroy; reduce |
| -malacia | softening |
| -mania | madness; insane desire |
| -megaly | enlargement |
| -meter | instrument used to measure |
| -metry | measurement |
| -morph | form; shape |
| -odia | smell |
| -oid | resembline |
| -ologist | one who studies and practices (specialist) |
| -ology | study of |
| -oma | tumor; swelling |
| -opia | vision (condition) |
| -orrhaphy | suturing; repairing |
| -orrhexis | rupture |
| -osis | abnormal condition(means increased when used with blood cell word roots) |
| -ostomy | creation of an artificial opening |
| -otomy | cut into or incision |
| -oxia | oxygen |
| -paresis | slight paralysis |
| -pathy | disease |
| -penia | abnormal reduction in number |
| -pepsia | digestion |
| -pexy | surgical fixation; suspension |
| -phagia | eating; sallowing |
| -phobia | abnormal fear of or aversion to specific objects or things |
| -phoria | feeling |
| -physis | growth |
| -plasia | formation; development; a growth |
| -plasm | growth; substance; formation |
| -rrhea | flow, discharge |