|Word root/ prefix||Root Meaning||Words based on the Root|
|Tox||poison||Detoxification - The process of removing poisons
Toxic - Poisonous
Toxicology - The study of poisons
Intoxicated - Influenced by drugs.
|Trans||Across, beyond, through||Transcontinental - Across the continent
Transfer - To move from one place to another
Transport - to carry something across a space.
|Tri||three, once in every three,||Triangle - A figure with 3 sides and 3 angles
Triathlon - An athletic contest with 3 events
Tricycle - A 3-wheel vehicle with pedals.
|Un||Not, opposite of, lacking||Unabridged - Not shortened
Unfair - Opposite of fair
Unfriendly - Lacking friendliness.
|Uni||One, single||Unicycle - A vehicle with one wheel
Unilateral - Decided by only one person or nation
Unique - The only one of its kind
Unison - As one voice.