| A | B |
|---|
| tri | three |
| tricycle | a bike with three wheels |
| trident | a three-prong fork used to spear fish |
| triangle | having three angles |
| tripod | a support with three legs |
| triathlon | three athletic events in one competition |
| triple | group of three |
| trilingual | understanding/speaking three languages |
| triceratops | an extinct animal that had three horns near its eyes |
| trilobite | an extinct marine creature that had three lobes |
