| A | B |
|---|
| monologue | A long speech made by one |
| monarch | A person who rules; a butterfly |
| monogram | A design composed of first letters of a name |
| monopoly | Exclusive control or sole ownership |
| monolith | A large block of stone; an organization that acts as one |
| unanimous | Being in complete agreement |
| unilateral | One sided; done by or affecting one person, group, or country |
| duplex | A dwelling with two living units |
| duplicate | An identical copy or to repeat |
| bilateral | Having two sides; made between two persons or groups |
| bipartisan | Involving two political parties |
| bisect | Divide into two equal parts |
| trilogy | A group of 3 literary or musical works with a related theme |
| trisect | To divide into 3 parts |
| triumvirate | Authoritative group of 3 |
| quadrant | A quarter of a circle; an early machine for measuring altitudes; any of the 4 parts divided by perpendicular lines |
| quartet | A musical composition for 4 voices or instruments; a set of 4 |
| quatrain | A stanza or group of 4 lines of poetry |
| decimate | To destroy; to kill one in every 10 |
| decathlon | An athletic contest with 10 events |
| bicentennial | A 200th anniversary; happening every 200 years |
| centenary | A 100 year period; a centennial |
| centigrade | Referring to a thermometer scale of 100 degrees |
