| A | B |
|---|
| uni-, mono-, mon- | one |
| di- | two |
| tri- | three |
| quadri-, quadru- | four |
| monarchy | a single individual or family that rules |
| monogram | a design made up of the initials of a name |
| monopoly | a single business that controls the all supply |
| uniform | the same outfit or look for everyone in a group |
| unison | a chorus singing in one voice |
| unilateral | a decision made by a single person or group |
| digraph | when two letters act as one |
| diverge | to go in separate directions |
| dichotomy | a division into two opposite positions or opinions |
| trilogy | a series of three books |
| triathlete | a person who competes in a triathlon of three sports |
| tripod | a stand or stool with three legs |
| quadruple | to multiply an object or number by four |
| quadruped | an animal that walks on four feet |
| quadriceps | a four-part muscle at the front of the thighs |
