| MAL |
bad ill evil |
malevolent | adj. | wishing evil |
| malicious | adj. | mean | ||
| malign | adj./v. | speak ill (design, sign) | ||
| malnourished | adj. | fed poorly | ||
| CATA | down | cataclysm | n. | natural disaster |
| catacomb | n. | underground cemetery | ||
| catalyst | n. | agent of change (loose) | ||
| catatonic | n./adj. | motionless (move) | ||
|
PROT/ PROTO |
in front of the first |
protagonist | n. | hero or heroine |
| protocol | n. | rules of behavior | ||
| protoplasm | n. | cell contents | ||
| prototype | n. | madel | ||
| ANTE |
in front of before |
anterior | adj. | towards the front |
| antechamber | n. | waiting room | ||
| antedate | n./v. | to date before | ||
| ante meridiem | adv. | before noon | ||
|
ORTH/ ORTHO |
direct, straight |
orthodox | adj. | conventional |
| orthodontics | n. | dentistry for crooked teeth | ||
| orthopedics | n. 学科 | treatment of skeletal defects | ||
| orthography | n.语言文字 | correct spelling | ||
| RECT |
direct, straight |
rectitude | n.品德 | integrity |
| rectify | vt. | make right | ||
| rectilinear | adj. | moving in a straight line | ||
| rector | n. | headmaster | ||
| EU | good, well | eugenic | adj.＋ | promoting superior (gene) |
| euphemism | n. | polite term | ||
| euphoria | n. | great happiness | ||
| evangelism | n. | crusading zeal | ||
| DYS/DIS | against | dysfunctional | n. | impaired |
| dyslexia | n. | reading disorder (read) | ||
| dyspeptic | n./adj. | beset by indigestion (digest) | ||
| dystrophy | n.奖品 | muscular deterioration | ||
| ROG |
ask request |
abrogate | vt. | neglect, abolish, ignore |
| arrogate | v. | claim, seize, grab | ||
| derogatory | adj. | critical, unflattering, scornful | ||
| prerogative | n. | right, power, privilege | ||
| QUIS |
ask request |
inquisition | n. | interrogation, inquiry |
| perquisite | n. | privilege, bonus, right | ||
| acquisitive | adj. | grasping, grabby, greedy | ||
| requisition | n./vt. | purchase order, request, demand | ||
|
PLE PLI PLY |
① fold ② multiply ③ full |
complement | n./vt. | number required, counterpart |
| deplete | vt. | draw down, drain | ||
| implement | n./vt./v＋ | put into practice, put to use | ||
| replete | adj. | abundantly, full | ||
| MATR | measure | metric | adj. |
relating to poetic rhythm, relating to a measuring system |
| odometer | n. | distance measurer (distance) | ||
| symmetrical | adj. | balanced (same) | ||
| tachometer | n. | speed measurer |