SAT ROOTS
Roots are the "core" of the word. While prefixes and suffixes give you direction and part of speech, the root provides the actual definition.
If you know these 30 roots, you can essentially "hallucinate" the correct meaning of over 500 common SAT words.
1. People & Minds (Social/Psychological)
These are very common in SAT Reading passages about literature or social science.
Root | Meaning | Examples |
Anim | Life, spirit | Animosity (ill will), equanimity (calm spirit) |
Anthropo | Human | Anthropology, misanthrope (human-hater) |
Cap, Cept | Take, hold | Incipient (beginning), perceptive, captious |
Cred | Believe | Credulous (gullible), incredulous, credence |
Doc, Doct | Teach | Docile (easy to teach), doctrinaire |
Mut | Change | Immutable (unchangeable), permutation |
Path | Feeling, suffering | Antipathy (hatred), empathy, apathy |
Vol | Will, wish | Benevolent (good will), malevolent, volition |
2. Power & Law (Political/Legal)
The Digital SAT loves historical documents and "Great Global Conversation" passages.
Root | Meaning | Examples |
Arch | Ruler, chief | Hierarchy, monarch, anarchy |
Dom | Master, house | Domineer, predominate, domicile |
Jud | Judge | Judicious (wise/fair), adjudicate |
Lev | Light (weight), rise | Levity (humor/lightness), alleviate (lighten pain) |
Pot | Power | Omnipotent, potentate (a ruler) |
Reg, Rect | Straight, rule | Regime, incorrigible (can’t be made straight/fixed) |
3. Communication (Words & Truth)
Essential for "Words in Context" questions.
Root | Meaning | Examples |
Dic, Dict | Speak, say | Edict (official decree), malediction (a curse) |
Eloqu, Locut | Speak | Eloquent, loquacious (talkative), circumlocution |
Log | Word, study | Prologue, eulogy (good words), nelogism |
Luc, Lum | Light, clear | Elucidate (make clear), luminous, lucid |
Ver | Truth | Veracity (truthfulness), verify, aver |
4. Movement & Action
These roots describe how an author develops an argument or how a character behaves.
Root | Meaning | Examples |
Ced, Cess | Go, yield | Concede (yield), recede, antecedent |
Clud, Clus | Shut, close | Preclude (prevent), reclusive, exclusive |
Cur, Cours | Run, flow | Cursory (rushed/running through), precursor |
Flu | Flow | Mellifluous (sweetly flowing), fluctuate, confluence |
Gress, Grad | Step, go | Digress (stray), retrograde, transgress |
Ject | Throw | Abject (thrown down/miserable), conjecture |
Tract | Pull, drag | Intractable (stubborn/can't be pulled), retract |
The SAT Strategy: "Root Mapping"
When you see a word like "Incorrigible":
In- (Prefix: Not)
-rig- (Root: Straight/Rule)
-ible (Suffix: Able to be)
Result: Not able to be made straight (beyond reform).
Would you like a "Cheat Sheet" of the top 20 most frequent SAT vocabulary words that use these specific roots?