Understanding the meanings of the common word roots can help us deduce the meanings of new words that we encounter. It may help you to successfully tackle the word attack questions in Section A.
Greek Root Words
The table below defines and illustrates 25 of the most common Greek roots.
| Root | Meaning | Examples | 
| anti | against | antibacterial, antidote, antithesis | 
| ast(er) | star | asteroid, astronomy, astronaut | 
| aqu | water | aquarium, aquatic, aqualung | 
| auto | self | 
automatic, automate, autobiograph | 
| biblio | book | bibliography, bibliophile | 
| bio | life | biography, biology, biodegradable | 
| chrome | color | monochromatic, phytochrome | 
| chrono | time | chronic, synchronize, chronicle | 
| doc | teach | document, docile, doctrinal | 
| dyna | power | dynasty, dynamic, dynamite | 
| geo | earth | geography, geology, geometry | 
| gno | to know | agnostic, acknowledge | 
| graph | write | autograph, graphic, demographic | 
| hydr | water | dehydrate, hydrant, hydropower | 
| kinesis | movement | kinetic, photokinesis | 
| logos | word, study | astrology, biology, theologian | 
| narc | sleep | narcotic, narcolepsy | 
| path | feel | empathy, pathetic, apathy | 
| phil | love | philosophy, bibliophile, philanthropy | 
| phon | sound | microphone, phonograph, telephone | 
| photo | light | photograph, photocopy, photon | 
| schem | plan | scheme, schematic | 
| syn | together, with | synthetic, photosynthesis | 
| tele | far | telescope, telepathy, television | 
| tropos | turning | heliotrope, tropical | 
| Root | Meaning | Examples | 
| ab | to move away | abstract, abstain, aversion | 
| acer, acri | bitter | acrid, acrimony, exacerbate | 
| audi | hear | audible, audience, auditorium | 
| bene | good | benefit, benign, benefactor | 
| brev | short | abbreviate, brief | 
| circ | round | circus, circulate | 
| dict | say | dictate, edict, dictionary | 
| duc | lead, make | deduce, produce, educate | 
| fund | bottom | founder, foundation, funding | 
| gen | to birth | gene, generate, generous | 
| hab | to have | ability, exhibit, inhabit | 
| jur | law | jury, justice, justify | 
| lev | to lift | levitate, elevate, leverage | 
| log, logue | thought | logic, apologize, analogy | 
| luc, lum | light | lucid, illuminate, translucent | 
| manu | hand | manual, manicure, manipulate | 
| mis, mit | send | missile, transmit, permit | 
| omni | all | omnivorous, omnipotent, omniscent | 
| pac | peace | pacify, pacific, pacifist | 
| port | carry | export, import, important | 
| quit | silent, restive | tranquil, requiem, acquit | 
| scrib, script | to write | script, proscribe, describe | 
| sens | to feel | sensitive, sentient, resent | 
| terr | earth | terrain, territory, extraterrestrial | 
| tim | to fear | timid, timorous | 
| vac | empty | vacuum, vacate, evacuate | 
| vid, vis | to see | video, vivid, invisible | 
